style: add comment, whitespace

Author: Bentroen

server/src/user/entity/user.entity.ts

@@ -74,7 +74,7 @@ export class User {
   _id: Types.ObjectId;
 
   createdAt: Date; // Added automatically by Mongoose: https://mongoosejs.com/docs/timestamps.html
-  
+
   updatedAt: Date; // Added automatically by Mongoose: https://mongoosejs.com/docs/timestamps.html
 }
 

server/src/user/user.controller.ts

@@ -30,6 +30,7 @@ export class UserController {
   @Get('/:username')
   async getUser(@Param('username') username: string) {
     return await this.userService.getUserByEmailOrId({ username: username });
+    // TODO: this may call userService.getUserByUsername directly
   }
 
   @Get('by-query')