Add terminal integration tutorial video

- Added new Terminal Integration tutorial video (rkWBHeG9A-4) to tutorial-videos.json
- Converted shell-integration.md to shell-integration.mdx to support embedded video
- Embedded YouTube tutorial video at top of Terminal Shell Integration feature page

Author: Sannidhya

docs/features/shell-integration.md docs/features/shell-integration.mdxdocs/features/shell-integration.md renamed to docs/features/shell-integration.mdx

@@ -8,11 +8,31 @@ keywords:
   - troubleshooting
 image: /img/social-share.jpg
 ---
+import Codicon from '@site/src/components/Codicon';
 
 # Terminal Shell Integration
 
 Terminal Shell Integration is a key feature that enables Roo Code to execute commands in your terminal and intelligently process their output. This bidirectional communication between the AI and your development environment unlocks powerful automation capabilities.
 
+<div style={{ position: 'relative', paddingBottom: '56.25%', height: 0, overflow: 'hidden' }}>
+  <iframe
+    src="https://www.youtube.com/embed/rkWBHeG9A-4"
+    style={{
+      position: 'absolute',
+      top: 0,
+      left: 0,
+      width: '100%',
+      height: '100%',
+    }}
+    frameBorder="0"
+    allow="autoplay; encrypted-media"
+    allowFullScreen
+    title="Terminal Integration Tutorial"
+  ></iframe>
+</div>
+
+<br />
+
 ---
 
 ## What is Shell Integration?

docs/tutorial-videos.json

@@ -51,6 +51,10 @@
     {
       "id": "_Op3VfLPEu8",
       "title": "Code Actions"
+    },
+    {
+      "id": "rkWBHeG9A-4",
+      "title": "Terminal Integration"
     }
   ]
 }