sample(swagger): fix typings, Cat class

Author: kamilmysliwiec

sample/11-swagger/src/cats/cats.service.ts

@@ -4,7 +4,7 @@ import { CreateCatDto } from './dto/create-cat.dto';
 
 @Injectable()
 export class CatsService {
-  private readonly cats: CreateCatDto[] = [];
+  private readonly cats: Cat[] = [];
 
   create(cat: CreateCatDto): Cat {
     this.cats.push(cat);

sample/11-swagger/src/cats/classes/cat.class.ts

@@ -1,13 +1,15 @@
 import { ApiModelProperty } from '@nestjs/swagger';
 
 export class Cat {
-
-  @ApiModelProperty({example: 'Kitty', description: 'The name of the Cat')
+  @ApiModelProperty({ example: 'Kitty', description: 'The name of the Cat' })
   name: string;
 
-  @ApiModelProperty({example: 1, description: 'The age of the Cat'})
+  @ApiModelProperty({ example: 1, description: 'The age of the Cat' })
   age: number;
 
-  @ApiModelProperty({example: 'Maine Coon', description: 'The breed of the Cat'})
+  @ApiModelProperty({
+    example: 'Maine Coon',
+    description: 'The breed of the Cat',
+  })
   breed: string;
 }