add content to the collaboration extension page

docs/src/docPages/api/extensions/collaboration.md

@@ -1,2 +1,29 @@
 # Collaboration
 Enables you to collaborate with others on one document.
+
+## Installation
+```bash
+# With npm
+npm install @tiptap/extension-collaboration yjs y-webrtc
+
+# Or: With Yarn
+yarn add @tiptap/extension-collaboration yjs y-webrtc
+```
+
+## Settings
+| Option   | Type | Default | Description |
+| -------- | ---- | ------- | ----------- |
+| provider |      |         |             |
+| type     |      |         |             |
+
+## Commands
+*None*
+
+## Keyboard shortcuts
+*None*
+
+## Source code
+[packages/extension-collaboration/](https://github.com/ueberdosis/tiptap-next/blob/main/packages/extension-collaboration/)
+
+## Usage
+<demo name="Extensions/Collaboration" highlight="" />