add notification check with instructions on front screen

package.json

@@ -50,6 +50,7 @@
     "reflect-metadata": "^0.1.13",
     "register-service-worker": "^1.7.2",
     "three": "^0.156.1",
+    "ua-parser-js": "^1.0.37",
     "util": "^0.12.5",
     "vue": "^3.3.4",
     "vue-axios": "^3.5.2",
@@ -62,6 +63,7 @@
     "@types/leaflet": "^1.9.4",
     "@types/ramda": "^0.29.3",
     "@types/three": "^0.155.1",
+    "@types/ua-parser-js": "^0.7.39",
     "@typescript-eslint/eslint-plugin": "^6.6.0",
     "@typescript-eslint/parser": "^6.6.0",
     "@vue-leaflet/vue-leaflet": "^0.10.1",