comments implement

src/modules/comment/presentation/dto/create-comment.dto.ts

@@ -0,0 +1,9 @@
+import { IsNotEmpty, IsString, MaxLength } from 'class-validator';
+import { CommentContent } from '../../domain/value-objects/comment-content.vo.js';
+
+export class CreateCommentRequestDto {
+  @IsString()
+  @IsNotEmpty()
+  @MaxLength(CommentContent.MAX_LENGTH)
+  content: string;
+}