feat: add server authoritative travel flow

apps/api/src/app.config.ts

@@ -1,5 +1,12 @@
-import { INestApplication } from '@nestjs/common';
+import { INestApplication, ValidationPipe } from '@nestjs/common';
 
 export function configureApplication(app: INestApplication): void {
   app.setGlobalPrefix('api');
+  app.useGlobalPipes(
+    new ValidationPipe({
+      whitelist: true,
+      forbidNonWhitelisted: true,
+      transform: true,
+    }),
+  );
 }