Fix module path in mkdocs config

Author: farrokhi

mkdocs.yml

@@ -33,8 +33,8 @@ markdown_extensions:
   - pymdownx.snippets
   - pymdownx.superfences
   - pymdownx.emoji:
-      emoji_index: !!python/name:materialx.emoji.twemoji
-      emoji_generator: !!python/name:materialx.emoji.to_svg
+      emoji_index: !!python/name:material.extensions.emoji.twemoji
+      emoji_generator: !!python/name:material.extensions.emoji.to_svg
   - pymdownx.tabbed:
      alternate_style: true