fix(gps): upgrade to real-time continuous GPS tracking for walking and driving (v15)

sw.js

@@ -1,20 +1,20 @@
 // Service Worker for FlockRadar Offline Driving & Live Updates
-const CACHE_NAME = 'flockradar-v14';
+const CACHE_NAME = 'flockradar-v15';
 const ASSETS_TO_CACHE = [
   './',
   './index.html',
-  './css/styles.css?v=14',
-  './js/icons.js?v=14',
-  './js/app.js?v=14',
-  './js/auth.js?v=14',
-  './js/radar.js?v=14',
-  './data/portals.js?v=14',
-  './favicon.svg?v=14',
-  './favicon.ico?v=14',
-  './apple-touch-icon.png?v=14',
-  './icon-192.png?v=14',
-  './icon-512.png?v=14',
-  './og-image.png?v=14',
+  './css/styles.css?v=15',
+  './js/icons.js?v=15',
+  './js/app.js?v=15',
+  './js/auth.js?v=15',
+  './js/radar.js?v=15',
+  './data/portals.js?v=15',
+  './favicon.svg?v=15',
+  './favicon.ico?v=15',
+  './apple-touch-icon.png?v=15',
+  './icon-192.png?v=15',
+  './icon-512.png?v=15',
+  './og-image.png?v=15',
   './assets/img/logo.svg',
   './assets/img/flock_pole_cam_palmdale.jpg',
   './manifest.json'