feat: integrate light control functionality with Home Assistant

- Added LightHA class to manage light services.
- Implemented searchLight method for device discovery.
- Created app.ts and index.ts for application setup and routing.
- Developed callText function to parse and execute light commands.
- Established routes for handling Home Assistant control commands.
- Configured Bun for building the application with TypeScript support.

agent/routes/index.ts

@@ -0,0 +1 @@
+import './call.ts'