feat: add new config strategy to backend

backend/src/file/file.module.ts

@@ -3,11 +3,12 @@ import { JwtModule } from "@nestjs/jwt";
 import { ShareModule } from "src/share/share.module";
 import { FileController } from "./file.controller";
 import { FileService } from "./file.service";
+import { FileValidationPipe } from "./pipe/fileValidation.pipe";
 
 @Module({
   imports: [JwtModule.register({}), ShareModule],
   controllers: [FileController],
-  providers: [FileService],
+  providers: [FileService, FileValidationPipe],
   exports: [FileService],
 })
 export class FileModule {}