Refactored chat implementation to work with Websockets;

Fixed video.js working on Docker Container;
Added sample video to VideoPlayer for now;
Bug: Requests to the server take extra long to return a response;

frontend/package.json

@@ -13,9 +13,12 @@
   "dependencies": {
     "@stripe/react-stripe-js": "^3.1.1",
     "@stripe/stripe-js": "^5.5.0",
+    "@types/video.js": "^7.3.58",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
-    "react-router-dom": "^7.1.3"
+    "react-router-dom": "^7.1.3",
+    "socket.io-client": "^4.8.1",
+    "video.js": "^8.21.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.17.0",