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

packages/cli/src/index.ts

@@ -0,0 +1,4 @@
+import { createCli } from './cli.js'
+
+const program = createCli()
+program.parse()