Use CDN for plotly.

generate.py

@@ -76,4 +76,4 @@ fig.update_xaxes(title_text="Date", row=len(booleans) + 1, col=1)
 
 fig.update_xaxes(range=[co2.index[0], co2.index[-1]], row=2, col=1)
 
-fig.write_html("output/all.html")
+fig.write_html("output/all.html", include_plotlyjs='cdn')