Added validation pipe with transformer

src/main.ts

@@ -2,6 +2,7 @@ import { NestFactory } from '@nestjs/core';
 import { AppModule } from '@/app.module';
 import { openApi } from '@/utils/openApi';
 import { setDate } from '@/utils/fakeDate';
+import { ValidationPipe } from '@nestjs/common';
 
 setDate('2023-02-14 14:00:00 UTC');
 
@@ -10,6 +11,12 @@ async function bootstrap() {
 
   openApi(app);
 
+  app.useGlobalPipes(
+    new ValidationPipe({
+      transform: true,
+    }),
+  );
+
   await app.listen(3000);
 }