Added text chat functionality

client/public/index.html

@@ -41,5 +41,10 @@
       To begin the development, run `npm start` or `yarn start`.
       To create a production bundle, use `npm run build` or `yarn build`.
     -->
+    <script type="text/javascript">
+      window.onbeforeunload = function() {
+          return true
+      }
+    </script>
   </body>
 </html>