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

node_modules/.package-lock.json

@@ -1,5 +1,5 @@
 {
-  "name": "synchronized-video-streaming",
+  "name": "wstest",
   "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
@@ -591,6 +591,26 @@
       "engines": {
         "node": ">= 0.8"
       }
+    },
+    "node_modules/ws": {
+      "version": "8.13.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.13.0.tgz",
+      "integrity": "sha512-x9vcZYTrFPC7aSIbj7sRCYo7L/Xb8Iy+pW0ng0wt2vCJv7M9HOMy0UoN3rr+IFC7hb7vXoqS+P9ktyLLLhO+LA==",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
     }
   }
 }