Updating file 'mkdocs.yml' with otterdog.

mkdocs.yml

@@ -10,6 +10,8 @@ site_dir: ./_site
 theme:
  name: 'material'
  custom_dir: docs/overrides
+ features:
+ - navigation.tabs
 
 markdown_extensions:
  - pymdownx.superfences
@@ -23,5 +25,15 @@ markdown_extensions:
 plugins:
  - macros
 
-nav: []
+nav:
+ - Overview: index.md
+ - configuration.md
+ - playground.md
+
+not_in_nav: |
+ repo-*.md
+
 watch: []
+
+extra_css:
+ - stylesheets/extra.css