message: Vimeo e Youtube opcionais
diff: import { Part } from '../entity';
  import { ApiModelProperty } from '@nestjs/swagger';
  -import { IsNumber, IsString } from 'class-validator';
  +import { IsNumber, IsOptional, IsString } from 'class-validator';
  import { Expose } from 'class-transformer';
  export class PartDTO {
  @@ -20,11 +20,13 @@ export class PartDTO {
  description: Part['description'];
  @IsString()
  + @IsOptional()
  @Expose()
  @ApiModelProperty({ type: String })
  vimeoUrl: Part['vimeoUrl'];
  @IsString()
  + @IsOptional()
  @Expose()
  @ApiModelProperty({ type: String })
  youtubeUrl: Part['youtubeUrl'];
  