feat(cli): add foundation - package setup and entry point

Add @paseo/cli package with:
- Package structure with npm workspace integration
- bin/paseo entry point using tsx
- Commander.js setup with --version and --help
- Placeholder subcommands: agent, daemon, permit, worktree, provider

package.json

@@ -7,7 +7,8 @@
     "packages/app",
     "packages/relay",
     "packages/website",
-    "packages/desktop"
+    "packages/desktop",
+    "packages/cli"
   ],
   "scripts": {
     "dev": "./scripts/dev.sh",