chore: update description and bump version to 0.0.21

Author: suhaibbinyounis

package.json

@@ -1,9 +1,9 @@
 {
   "name": "github-copilot-api-vscode",
   "displayName": "GitHub Copilot API Gateway",
-  "description": "Transform GitHub Copilot into a full AI platform: OpenAI-compatible API server + Enterprise Apps Hub with Playwright Generator, Code Review, Commit Messages, and more.",
+  "description": "Universal API Gateway for GitHub Copilot. Expose GPT-4o, Claude 3.5, & Gemini via local OpenAI, Anthropic, & Google compatible APIs. Use Copilot with Cursor, LangChain, & Agents. Includes Enterprise Apps Hub.",
   "icon": "media/icon.png",
-  "version": "0.0.20",
+  "version": "0.0.21",
   "author": {
     "name": "Suhaib Bin Younis",
     "email": "vscode@suhaib.in",