diff --git a/package-lock.json b/package-lock.json
index 09a62ff..f75ad58 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,27 @@
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     "requires": true,
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+            "resolved": "https://registry.npmjs.org/@textlint/ast-node-types/-/ast-node-types-4.4.3.tgz",
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+            "dev": true
+        },
+        "@textlint/markdown-to-ast": {
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+            "resolved": "https://registry.npmjs.org/@textlint/markdown-to-ast/-/markdown-to-ast-6.0.9.tgz",
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+            "dev": true,
+            "requires": {
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+                "debug": "^2.1.3",
+                "remark-frontmatter": "^1.2.0",
+                "remark-parse": "^5.0.0",
+                "structured-source": "^3.0.2",
+                "traverse": "^0.6.6",
+                "unified": "^6.1.6"
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             "resolved": "https://registry.npmjs.org/accord/-/accord-0.29.0.tgz",
@@ -69,6 +90,15 @@
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+            "resolved": "https://registry.npmjs.org/anchor-markdown-header/-/anchor-markdown-header-0.5.7.tgz",
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+            "dev": true,
+            "requires": {
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@@ -392,6 +422,12 @@
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+            "resolved": "https://registry.npmjs.org/bail/-/bail-1.0.5.tgz",
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+            "dev": true
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             "dev": true
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+        "boundary": {
+            "version": "1.0.1",
+            "resolved": "https://registry.npmjs.org/boundary/-/boundary-1.0.1.tgz",
+            "integrity": "sha512-AaLhxHwYVh55iOTJncV3DE5o7RakEUSSj64XXEWRTiIhlp7aDI8qR0vY/k8Uw0Z234VjZi/iG/WxfrvqYPUCww==",
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@@ -591,6 +633,24 @@
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+            "resolved": "https://registry.npmjs.org/character-entities/-/character-entities-1.2.4.tgz",
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+            "dev": true
+        },
+        "character-entities-legacy": {
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+            "resolved": "https://registry.npmjs.org/character-entities-legacy/-/character-entities-legacy-1.1.4.tgz",
+            "integrity": "sha512-3Xnr+7ZFS1uxeiUDvV02wQ+QDbc55o97tIV5zHScSPJpcLm/r0DFPcoY3tYRp+VZukxuMeKgXYmsXQHO05zQeA==",
+            "dev": true
+        },
+        "character-reference-invalid": {
+            "version": "1.1.4",
+            "resolved": "https://registry.npmjs.org/character-reference-invalid/-/character-reference-invalid-1.1.4.tgz",
+            "integrity": "sha512-mKKUkUbhPpQlCOfIuZkvSEgktjPFIsZKRRbC6KWVEMvlzblj3i3asQv5ODsrwt0N3pHAEvjP8KTQPHkp0+6jOg==",
+            "dev": true
+        },
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@@ -712,6 +772,12 @@
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             "dev": true
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+        "collapse-white-space": {
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+            "resolved": "https://registry.npmjs.org/collapse-white-space/-/collapse-white-space-1.0.6.tgz",
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+            "dev": true
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@@ -803,13 +869,21 @@
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+            "version": "2.0.5",
+            "resolved": "https://registry.npmjs.org/copy-props/-/copy-props-2.0.5.tgz",
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             "dev": true,
             "requires": {
-                "each-props": "^1.3.0",
-                "is-plain-object": "^2.0.1"
+                "each-props": "^1.3.2",
+                "is-plain-object": "^5.0.0"
+            },
+            "dependencies": {
+                "is-plain-object": {
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+                    "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-5.0.0.tgz",
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+                    "dev": true
+                }
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@@ -962,6 +1036,77 @@
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             "dev": true
         },
+        "doctoc": {
+            "version": "1.4.0",
+            "resolved": "https://registry.npmjs.org/doctoc/-/doctoc-1.4.0.tgz",
+            "integrity": "sha512-8IAq3KdMkxhXCUF+xdZxdJxwuz8N2j25sMgqiu4U4JWluN9tRKMlAalxGASszQjlZaBprdD2YfXpL3VPWUD4eg==",
+            "dev": true,
+            "requires": {
+                "@textlint/markdown-to-ast": "~6.0.9",
+                "anchor-markdown-header": "^0.5.5",
+                "htmlparser2": "~3.9.2",
+                "minimist": "~1.2.0",
+                "underscore": "~1.8.3",
+                "update-section": "^0.3.0"
+            },
+            "dependencies": {
+                "minimist": {
+                    "version": "1.2.6",
+                    "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
+                    "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
+                    "dev": true
+                }
+            }
+        },
+        "dom-serializer": {
+            "version": "0.2.2",
+            "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-0.2.2.tgz",
+            "integrity": "sha512-2/xPb3ORsQ42nHYiSunXkDjPLBaEj/xTwUO4B7XCZQTRk7EBtTOPaygh10YAAh2OI1Qrp6NWfpAhzswj0ydt9g==",
+            "dev": true,
+            "requires": {
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+                "entities": "^2.0.0"
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+                    "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-2.3.0.tgz",
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+                    "dev": true
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+                "entities": {
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+                    "resolved": "https://registry.npmjs.org/entities/-/entities-2.2.0.tgz",
+                    "integrity": "sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A==",
+                    "dev": true
+                }
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+        },
+        "domelementtype": {
+            "version": "1.3.1",
+            "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.3.1.tgz",
+            "integrity": "sha512-BSKB+TSpMpFI/HOxCNr1O8aMOTZ8hT3pM3GQ0w/mWRmkhEDSFJkkyzz4XQsBV44BChwGkrDfMyjVD0eA2aFV3w==",
+            "dev": true
+        },
+        "domhandler": {
+            "version": "2.4.2",
+            "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-2.4.2.tgz",
+            "integrity": "sha512-JiK04h0Ht5u/80fdLMCEmV4zkNh2BcoMFBmZ/91WtYZ8qVXSKjiw7fXMgFPnHcSZgOo3XdinHvmnDUeMf5R4wA==",
+            "dev": true,
+            "requires": {
+                "domelementtype": "1"
+            }
+        },
+        "domutils": {
+            "version": "1.7.0",
+            "resolved": "https://registry.npmjs.org/domutils/-/domutils-1.7.0.tgz",
+            "integrity": "sha512-Lgd2XcJ/NjEw+7tFvfKxOzCYKZsdct5lczQ2ZaQY8Djz7pfAD3Gbp8ySJWtreII/vDlMVmxwa6pHmdxIYgttDg==",
+            "dev": true,
+            "requires": {
+                "dom-serializer": "0",
+                "domelementtype": "1"
+            }
+        },
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             "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-3.6.1.tgz",
@@ -1000,6 +1145,12 @@
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             "dev": true
         },
+        "emoji-regex": {
+            "version": "6.1.3",
+            "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-6.1.3.tgz",
+            "integrity": "sha512-73/zxHTjP2N2FQf0J5ngNjxP9LqG2krUshxYaowI8HxZQsiL2pYJc3k9/O93fc5/lCSkZv+bQ5Esk6k6msiSvg==",
+            "dev": true
+        },
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@@ -1009,6 +1160,12 @@
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+        "entities": {
+            "version": "1.1.2",
+            "resolved": "https://registry.npmjs.org/entities/-/entities-1.1.2.tgz",
+            "integrity": "sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==",
+            "dev": true
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@@ -1270,6 +1427,15 @@
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             "dev": true
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+            "resolved": "https://registry.npmjs.org/fault/-/fault-1.0.4.tgz",
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+            "dev": true,
+            "requires": {
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@@ -1396,6 +1562,12 @@
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+            "resolved": "https://registry.npmjs.org/format/-/format-0.2.2.tgz",
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@@ -1441,7 +1613,8 @@
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@@ -1462,12 +1635,14 @@
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+                    "dev": true,
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                     "bundled": true,
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@@ -1482,17 +1657,20 @@
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-                    "dev": true
+                    "dev": true,
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+                    "dev": true,
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@@ -1609,7 +1787,8 @@
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-                    "dev": true
+                    "dev": true,
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@@ -1621,6 +1800,7 @@
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@@ -1635,6 +1815,7 @@
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@@ -1642,12 +1823,14 @@
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                     "bundled": true,
-                    "dev": true
+                    "dev": true,
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                     "bundled": true,
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@@ -1666,6 +1849,7 @@
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@@ -1746,7 +1930,8 @@
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+                    "dev": true,
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@@ -1758,6 +1943,7 @@
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@@ -1843,7 +2029,8 @@
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@@ -1879,6 +2066,7 @@
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@@ -1898,6 +2086,7 @@
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@@ -1941,12 +2130,14 @@
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@@ -2081,7 +2272,7 @@
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@@ -2170,7 +2361,7 @@
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-                    "resolved": "http://registry.npmjs.org/through2/-/through2-2.0.3.tgz",
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@@ -2228,7 +2419,7 @@
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@@ -2331,6 +2522,20 @@
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+        "htmlparser2": {
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+            "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-3.9.2.tgz",
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+            "dev": true,
+            "requires": {
+                "domelementtype": "^1.3.0",
+                "domhandler": "^2.3.0",
+                "domutils": "^1.5.1",
+                "entities": "^1.1.1",
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@@ -2452,6 +2657,22 @@
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+            "resolved": "https://registry.npmjs.org/is-alphabetical/-/is-alphabetical-1.0.4.tgz",
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+            "dev": true
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+        "is-alphanumerical": {
+            "version": "1.0.4",
+            "resolved": "https://registry.npmjs.org/is-alphanumerical/-/is-alphanumerical-1.0.4.tgz",
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+            "dev": true,
+            "requires": {
+                "is-alphabetical": "^1.0.0",
+                "is-decimal": "^1.0.0"
+            }
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