added favicon

Author: sid-rl

docs/_static/favicon.png

@@ -35,7 +35,8 @@
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 
 html_theme = "furo"
-# html_static_path = ["_static"]
+html_static_path = ["_static"]
+html_favicon = "_static/favicon.png"
 
 # Furo theme options
 html_theme_options = {