first commit

src/modules/chat/dto/create-chat.dto.ts

@@ -0,0 +1,8 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { IsUUID } from 'class-validator';
+
+export class CreateChatDto {
+  @ApiProperty({ description: 'Match ID to open chat for' })
+  @IsUUID()
+  matchId: string;
+}