feat: add comments functionality and integrate Socket.io for real-time updates

- Implemented a full comments module in the backend with repository, service, controller, and DTOs using NestJS.
- Added frontend support for comments with a `CommentSection` component and integration into content pages.
- Introduced `SocketProvider` on the frontend and integrated Socket.io for real-time communication.
- Updated dependencies and configurations for Socket.io and WebSockets support.

backend/src/comments/comments.module.ts

@@ -0,0 +1,13 @@
+import { Module } from "@nestjs/common";
+import { AuthModule } from "../auth/auth.module";
+import { CommentsController } from "./comments.controller";
+import { CommentsService } from "./comments.service";
+import { CommentsRepository } from "./repositories/comments.repository";
+
+@Module({
+	imports: [AuthModule],
+	controllers: [CommentsController],
+	providers: [CommentsService, CommentsRepository],
+	exports: [CommentsService],
+})
+export class CommentsModule {}