huge updates

static/js/firebase-config.example.js

@@ -0,0 +1,13 @@
+// Firebase configuration
+const firebaseConfig = {
+    apiKey: "YOUR_API_KEY",
+    authDomain: "YOUR_AUTH_DOMAIN",
+    projectId: "YOUR_PROJECT_ID",
+    storageBucket: "YOUR_STORAGE_BUCKET",
+    messagingSenderId: "YOUR_MESSAGING_SENDER_ID",
+    appId: "YOUR_APP_ID",
+    measurementId: "YOUR_MEASUREMENT_ID"
+};
+
+// VAPID key for push notifications
+const vapidKey = "YOUR_VAPID_KEY";