project started, some html and js files added, showing events and users work communicating with server api

www/service-worker.js

@@ -0,0 +1,12 @@
+
+self.addEventListener('activate', function (event) {
+
+});
+
+self.addEventListener('fetch', function (event) {
+
+});
+
+self.addEventListener('push', function (event) {
+
+});