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/app.ts

@@ -0,0 +1,9 @@
+import { App } from '@kevisual/router'
+import { useContextKey } from '@kevisual/context';
+import { useConfig } from "@kevisual/use-config";
+
+export const config = useConfig<{ HAAS_TOKEN: string, HAAS_URL: string, HAAS_MI_ENTITY_ID: string }>();
+
+export const app = useContextKey<App>('app', () => {
+  return new App();
+});