docs: fix docs order and add new pro extensions

docs/links.yaml

@@ -8,58 +8,6 @@
 # - title: Sponsor
 #   link: https://github.com/ueberdosis/sponsor
 
-- title: Overview
-  items:
-    - title: Introduction
-      link: /introduction
-    - title: Installation
-      link: /installation
-      items:
-        # - title: CDN
-        #   link: /installation/cdn
-        #   skip: true
-        - title: Vanilla JavaScript
-          link: /installation/vanilla-javascript
-          skip: true
-        - title: React
-          link: /installation/react
-          skip: true
-        - title: Next.js
-          link: /installation/nextjs
-          skip: true
-        - title: Vue 3
-          link: /installation/vue3
-          skip: true
-        - title: Vue 2
-          link: /installation/vue2
-          skip: true
-        - title: Nuxt.js
-          link: /installation/nuxt
-          skip: true
-        - title: Svelte
-          link: /installation/svelte
-          skip: true
-        # - title: CodeSandbox
-        #   link: /installation/codesandbox
-        #   skip: true
-        - title: Alpine.js
-          link: /installation/alpine
-          skip: true
-        - title: PHP
-          link: /installation/php
-          skip: true
-    - title: Upgrade guide
-      link: /overview/upgrade-guide
-    - title: Changelog
-      link: /changelog
-    - title: About the project
-      link: /about
-      type: sponsor
-    - title: Contributing
-      link: /overview/contributing
-    - title: Jobs
-      link: /jobs
-
 - title: Examples
   link: /examples
   redirect: /examples/default
@@ -113,6 +61,58 @@
       icon: code-box-fill
       link: /examples/syntax-highlighting
 
+- title: Overview
+  items:
+    - title: Introduction
+      link: /introduction
+    - title: Installation
+      link: /installation
+      items:
+        # - title: CDN
+        #   link: /installation/cdn
+        #   skip: true
+        - title: Vanilla JavaScript
+          link: /installation/vanilla-javascript
+          skip: true
+        - title: React
+          link: /installation/react
+          skip: true
+        - title: Next.js
+          link: /installation/nextjs
+          skip: true
+        - title: Vue 3
+          link: /installation/vue3
+          skip: true
+        - title: Vue 2
+          link: /installation/vue2
+          skip: true
+        - title: Nuxt.js
+          link: /installation/nuxt
+          skip: true
+        - title: Svelte
+          link: /installation/svelte
+          skip: true
+        # - title: CodeSandbox
+        #   link: /installation/codesandbox
+        #   skip: true
+        - title: Alpine.js
+          link: /installation/alpine
+          skip: true
+        - title: PHP
+          link: /installation/php
+          skip: true
+    - title: Upgrade guide
+      link: /overview/upgrade-guide
+    - title: Changelog
+      link: /changelog
+    - title: About the project
+      link: /about
+      type: sponsor
+    - title: Contributing
+      link: /overview/contributing
+    - title: Jobs
+      link: /jobs
+
 - title: Guide
   items:
     - title: Configuration
@@ -357,6 +357,12 @@
           link: /api/extensions/gapcursor
         - title: History
           link: /api/extensions/history
+        - title: InvisibleCharacters
+          link: /api/extensions/invisible-characters
+          type: pro
+        - title: Math
+          link: /api/extensions/math
+          type: pro
         - title: Placeholder
           link: /api/extensions/placeholder
         - title: StarterKit