Update README.md

README.md

@@ -1,4 +1,6 @@
 # Artefact
+[![Pharo](https://img.shields.io/static/v1?style=for-the-badge&message=Pharo&color=3297d4&logo=Harbor&logoColor=FFFFFF&label=)](https://www.pharo.org) 
+[![PDF](https://img.shields.io/static/v1?style=for-the-badge&message=PDF&color=044a64&logo=PDF&logoColor=FFFFFF&label=)]([https://www.sqlite.org](https://en.wikipedia.org/wiki/PDF))
 
 Artefact is a framework to generate PDF documents in [Pharo](https://www.pharo.org).
 
@@ -71,4 +73,4 @@ Note that you can replace the #master by another branch as #development or a tag
 To start using Artefact, you should look at the
 
 - [Guide](./docs/Guide.md)
-- [Tutorial](./docs/Tutorial.md)
+- [Tutorial](./docs/Tutorial.md)