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.

frontend/src/app/(dashboard)/meme/[slug]/page.tsx

@@ -3,6 +3,7 @@ import type { Metadata } from "next";
 import Link from "next/link";
 import { notFound } from "next/navigation";
 import { ContentCard } from "@/components/content-card";
+import { CommentSection } from "@/components/comment-section";
 import { Button } from "@/components/ui/button";
 import { ViewCounter } from "@/components/view-counter";
 import { ContentService } from "@/services/content.service";
@@ -53,6 +54,7 @@ export default async function MemePage({
 				<div className="grid grid-cols-1 lg:grid-cols-3 gap-8 items-start">
 					<div className="lg:col-span-2">
 						<ContentCard content={content} />
+						<CommentSection contentId={content.id} />
 					</div>
 
 					<div className="space-y-6">