add auth docs, add eslint import/order

src/modules/decks/use-cases/delete-deck-by-id-use-case.ts

@@ -1,6 +1,7 @@
-import { CommandHandler, ICommandHandler } from '@nestjs/cqrs'
-import { DecksRepository } from '../infrastructure/decks.repository'
 import { BadRequestException, NotFoundException } from '@nestjs/common'
+import { CommandHandler, ICommandHandler } from '@nestjs/cqrs'
+
+import { DecksRepository } from '../infrastructure/decks.repository'
 
 export class DeleteDeckByIdCommand {
   constructor(public readonly id: string, public readonly userId: string) {}
@@ -12,10 +13,12 @@ export class DeleteDeckByIdHandler implements ICommandHandler<DeleteDeckByIdComm
 
   async execute(command: DeleteDeckByIdCommand) {
     const deck = await this.deckRepository.findDeckById(command.id)
+
     if (!deck) throw new NotFoundException(`Deck with id ${command.id} not found`)
     if (deck.userId !== command.userId) {
       throw new BadRequestException(`You can't delete a deck that you don't own`)
     }
+
     return await this.deckRepository.deleteDeckById(command.id)
   }
 }