feat: add LexAI status bar and suggestion panel

- Implemented a status bar item for LexAI with dynamic status updates (ready, processing, notReady).
- Created a suggestion panel for displaying and interacting with AI-generated suggestions.
- Added functionality for accepting, regenerating, and discarding suggestions within the suggestion zone.
- Introduced configuration options for writing style, prompt patterns, personas, and formats.
- Integrated progress indicators for long-running tasks and improved user feedback.
- Established TypeScript configuration for the vscode package.

package.json

@@ -13,7 +13,11 @@
     "test": "vitest",
     "test:e2e": "playwright test",
     "typecheck": "tsc --noEmit && tsc --noEmit -p tsconfig.test.json",
-    "postinstall": "wxt prepare"
+    "postinstall": "wxt prepare",
+    "vscode:install": "npm install --prefix packages/vscode",
+    "vscode:build": "npm run compile --prefix packages/vscode",
+    "vscode:typecheck": "npm run typecheck --prefix packages/vscode",
+    "vscode:package": "npm run package --prefix packages/vscode"
   },
   "dependencies": {
     "@wxt-dev/module-react": "^1.1.5",