feat: implement support chat functionality with new module, service, controller, DTOs, and schema updates.

src/messages/messages.module.ts

@@ -5,10 +5,12 @@ import { MessagesController } from './messages.controller';
 import { MessagesService } from './messages.service';
 import { MessagesGateway } from './messages.gateway';
 import { PrismaModule } from '../prisma/prisma.module';
+import { SupportChatModule } from '../support-chat/support-chat.module';
 
 @Module({
   imports: [
     PrismaModule,
+    SupportChatModule,
     ConfigModule,
     JwtModule.registerAsync({
       imports: [ConfigModule],