Added web sockets

Changed index.js to add WebSockets to the server
Changed index.html to add WebSockets to the client
Install ws (web sockets) module

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "synchronized-video-streaming",
+  "name": "wstest",
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
@@ -9,6 +9,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "express": "^4.18.2"
+    "express": "^4.18.2",
+    "ws": "^8.13.0"
   }
 }