feat(api): add health check endpoints with @nestjs/terminus

Add HealthModule with /health (liveness) and /ready (readiness) probes.
Readiness checks DB (Prisma) and Redis connectivity.
Replaces the basic /health endpoint in AppController.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/api/src/app.controller.ts

@@ -6,9 +6,4 @@ export class AppController {
   root() {
     return { status: 'ok', service: 'goodgo-api' };
   }
-
-  @Get('health')
-  healthCheck() {
-    return { status: 'ok', service: 'goodgo-api', timestamp: new Date().toISOString() };
-  }
 }