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/package.json

@@ -36,8 +36,10 @@
 		"@nestjs/core": "^11.0.1",
 		"@nestjs/mapped-types": "^2.1.0",
 		"@nestjs/platform-express": "^11.0.1",
+		"@nestjs/platform-socket.io": "^11.1.12",
 		"@nestjs/schedule": "^6.1.0",
 		"@nestjs/throttler": "^6.5.0",
+		"@nestjs/websockets": "^11.1.12",
 		"@noble/post-quantum": "^0.5.4",
 		"@node-rs/argon2": "^2.0.2",
 		"@sentry/nestjs": "^10.32.1",
@@ -48,6 +50,7 @@
 		"class-transformer": "^0.5.1",
 		"class-validator": "^0.14.3",
 		"dotenv": "^17.2.3",
+		"drizzle-kit": "^0.31.8",
 		"drizzle-orm": "^0.45.1",
 		"fluent-ffmpeg": "^2.1.3",
 		"helmet": "^8.1.0",
@@ -61,23 +64,12 @@
 		"reflect-metadata": "^0.2.2",
 		"rxjs": "^7.8.1",
 		"sharp": "^0.34.5",
+		"socket.io": "^4.8.3",
 		"uuid": "^13.0.0",
-		"zod": "^4.3.5",
-		"drizzle-kit": "^0.31.8"
+		"zod": "^4.3.5"
 	},
 	"devDependencies": {
 		"@nestjs/cli": "^11.0.0",
-		"globals": "^16.0.0",
-		"jest": "^30.0.0",
-		"source-map-support": "^0.5.21",
-		"supertest": "^7.0.0",
-		"ts-jest": "^29.2.5",
-		"ts-loader": "^9.5.2",
-		"ts-node": "^10.9.2",
-		"tsconfig-paths": "^4.2.0",
-		"tsx": "^4.21.0",
-		"typescript": "^5.7.3",
-		"typescript-eslint": "^8.20.0",
 		"@nestjs/schematics": "^11.0.0",
 		"@nestjs/testing": "^11.0.1",
 		"@types/express": "^5.0.0",
@@ -89,9 +81,21 @@
 		"@types/pg": "^8.16.0",
 		"@types/qrcode": "^1.5.6",
 		"@types/sharp": "^0.32.0",
+		"@types/socket.io": "^3.0.2",
 		"@types/supertest": "^6.0.2",
 		"@types/uuid": "^11.0.0",
-		"drizzle-kit": "^0.31.8"
+		"drizzle-kit": "^0.31.8",
+		"globals": "^16.0.0",
+		"jest": "^30.0.0",
+		"source-map-support": "^0.5.21",
+		"supertest": "^7.0.0",
+		"ts-jest": "^29.2.5",
+		"ts-loader": "^9.5.2",
+		"ts-node": "^10.9.2",
+		"tsconfig-paths": "^4.2.0",
+		"tsx": "^4.21.0",
+		"typescript": "^5.7.3",
+		"typescript-eslint": "^8.20.0"
 	},
 	"jest": {
 		"moduleFileExtensions": [