density_scatter_plotly()

[janosh]

closes #160

minimal example

import pandas as pd
import plotly.express as px
from sklearn.datasets import make_blobs

from pymatviz import density_scatter_plotly
from pymatviz.templates import pmv_white_template


px.defaults.template = pmv_white_template

xs, ys = make_blobs(n_samples=1_000_000, centers=3, n_features=2, random_state=42)

x, y = "feature1", "feature2"
df_blobs = pd.DataFrame(data=xs, columns=[x, y])
df_blobs["target"] = ys

fig = density_scatter_plotly(df=df_blobs, x=x, y=y)
fig.show()