Update mkdocs, fix nodeport link and add microk8s link

mkdocs.yml

@@ -3,24 +3,52 @@ repo_name: "kubernetes/ingress-nginx"
 repo_url: https://github.com/kubernetes/ingress-nginx
 site_url: https://kubernetes.github.io/ingress-nginx
 
+# Extensions
 markdown_extensions:
-  - attr_list
-  - pymdownx.emoji
   - admonition
-  - codehilite
-  - pymdownx.inlinehilite
-  - pymdownx.tasklist:
-      custom_checkbox: true
-  - pymdownx.superfences
+  - abbr
+  - attr_list
+  - def_list
+  - footnotes
   - meta
+  - md_in_html
   - toc:
       # insert a blank space before the character
       permalink: " ¶"
+  - pymdownx.arithmatex:
+      generic: true
+  - pymdownx.betterem:
+      smart_enable: all
+  - pymdownx.caret
+  - pymdownx.critic
+  - pymdownx.details
+  - pymdownx.emoji:
+      emoji_index: !!python/name:materialx.emoji.twemoji
+      emoji_generator: !!python/name:materialx.emoji.to_svg
+  - pymdownx.highlight
+  - pymdownx.inlinehilite
+  - pymdownx.keys
+  - pymdownx.mark
+  - pymdownx.smartsymbols
+  - pymdownx.snippets:
+      check_paths: true
+  - pymdownx.superfences:
+      custom_fences:
+        - name: mermaid
+          class: mermaid
+          format: !!python/name:pymdownx.superfences.fence_code_format
+  - pymdownx.tabbed
+  - pymdownx.tasklist:
+      custom_checkbox: true
+  - pymdownx.tilde
+
 theme:
   name: material
   features:
-    - tabs
-    - instant
+    - navigation.tabs
+    - navigation.tabs.sticky
+    - navigation.instant
+    - navigation.sections
 
   palette:
     primary: "teal"
@@ -31,6 +59,8 @@ theme:
 plugins:
   - search
   - awesome-pages
+  - minify:
+      minify_html: true
 
 extra_css: [extra.css]