Update car monitor asset reload and telemetry

assets/site.webmanifest

@@ -2,21 +2,21 @@
   "name": "Car Monitor",
   "short_name": "Car Monitor",
   "description": "Vehicle status monitor",
-  "start_url": "/car/monitor.php?pwa=1",
-  "scope": "/car/",
+  "start_url": "/custom/car/monitor.php?pwa=1",
+  "scope": "/custom/car/",
   "display": "standalone",
   "orientation": "portrait",
   "background_color": "#0f172a",
   "theme_color": "#0f172a",
   "icons": [
     {
-      "src": "/car/assets/icon-192.png",
+      "src": "/custom/car/assets/icon-192.png",
       "sizes": "192x192",
       "type": "image/png",
       "purpose": "any maskable"
     },
     {
-      "src": "/car/assets/icon-512.png",
+      "src": "/custom/car/assets/icon-512.png",
       "sizes": "512x512",
       "type": "image/png",
       "purpose": "any maskable"