message: fix: added type on body
diff: @@ -86,7 +86,7 @@ export class LessonController {
  @ApiBody({ type: NewLessonDTO })
  @NeedRole(RoleEnum.ADMIN)
  @UseGuards(RoleGuard)
  - public async add(@Body() lesson): Promise<LessonDTO> {
  + public async add(@Body() lesson: NewLessonDTO): Promise<LessonDTO> {
  return this.mapper.toDto(await this.service.add(lesson));
  }
  