Add plugins for tabbed and collapsible content

mkdocs.template.yml

@@ -32,10 +32,15 @@ extra_css:
 markdown_extensions:
   - smarty
   - admonition
+  - pymdownx.details
+  - pymdownx.superfences
   - codehilite:
       guess_lang: true
   - toc:
       permalink: true
+  - pymdownx.tabbed:
+      alternate_style: true
+
 copyright: '© 2009 - 2022 Icinga GmbH'
 google_analytics:
   - 'UA-280659-15'