add auth

backend/src/app.controller.ts

@@ -1,16 +1,19 @@
 import { Controller, Get } from '@nestjs/common';
 import { AppService } from './app.service';
+import { Public } from './auth';
 
 @Controller()
 export class AppController {
   constructor(private readonly appService: AppService) {}
 
   @Get()
+  @Public()
   getHello(): string {
     return this.appService.getHello();
   }
 
   @Get('health')
+  @Public()
   health(): { status: string } {
     return { status: 'ok' };
   }