feat(cli): add initial CLI implementation with argument parsing and prompt handling

- Created package.json and package-lock.json for CLI package.
- Implemented argument parsing in args.ts to handle various flags and commands.
- Developed main CLI logic in cli.ts to execute commands and handle errors.
- Added configuration loading from a JSON file in config.ts, with environment variable support.
- Implemented prompt resolution and provider interaction in prompt.ts.
- Added usage documentation for the CLI.
- Configured TypeScript settings in tsconfig.json for the CLI package.
- Updated README in vscode package to reflect the new CLI functionality.
- Refactored root tsconfig.json to streamline project structure.

tsconfig.json

@@ -4,25 +4,15 @@
     "module": "ESNext",
     "moduleResolution": "Bundler",
     "lib": ["ESNext", "DOM"],
-    "jsx": "react-jsx",
     "strict": true,
     "noEmit": true,
     "skipLibCheck": true,
-    "types": ["chrome"],
     "esModuleInterop": true,
     "resolveJsonModule": true,
-    "allowImportingTsExtensions": true,
     "paths": {
       "@lib/*": ["./src/lib/*"]
     }
   },
-  "include": [
-    "entrypoints/**/*",
-    "src/**/*",
-    ".wxt/types/**/*"
-  ],
-  "exclude": [
-    "node_modules",
-    ".output"
-  ]
+  "include": ["src/lib/**/*"],
+  "exclude": ["node_modules", "packages"]
 }