Add pow metrics

src/file/file.controller.ts

@@ -3,9 +3,11 @@ import { FileService } from './file.service';
 import { Post } from '@nestjs/common';
 import { UploadedObjectInfo } from 'minio';
 import { FileInterceptor } from '@nestjs/platform-express';
-import { ApiConsumes } from '@nestjs/swagger';
+import { ApiConsumes, ApiTags } from '@nestjs/swagger';
+import { InjectMetric } from '@willsoto/nestjs-prometheus';
 
 @Controller('file')
+@ApiTags('file')
 export class FileController {
     constructor(private readonly fileService: FileService) { }