chore: add real Firebase config and messaging dependency

- google-services.json now has real Firebase project values
- Added firebase-messaging-ktx dependency (was missing)
- Updated google-services plugin to 4.4.4

android/app/google-services.json

@@ -1,13 +1,13 @@
 {
   "project_info": {
-    "project_number": "000000000000",
-    "project_id": "servermanager-placeholder",
-    "storage_bucket": "servermanager-placeholder.appspot.com"
+    "project_number": "402296861916",
+    "project_id": "servermanager-4cf7a",
+    "storage_bucket": "servermanager-4cf7a.firebasestorage.app"
   },
   "client": [
     {
       "client_info": {
-        "mobilesdk_app_id": "1:000000000000:android:0000000000000000",
+        "mobilesdk_app_id": "1:402296861916:android:37b5195fc3d5cbcd7eb019",
         "android_client_info": {
           "package_name": "com.devlab.app"
         }
@@ -15,21 +15,15 @@
       "oauth_client": [],
       "api_key": [
         {
-          "current_key": "PLACEHOLDER_API_KEY_REPLACE_IN_FIREBASE_CONSOLE"
+          "current_key": "AIzaSyBvcAfrLKY9XYHbc8Pv2dWTj-U4neSZ6nY"
         }
       ],
       "services": {
-        "analytics_service": {
-          "status": 0
-        },
         "appinvite_service": {
-          "status": 0
-        },
-        "google_cast_service": {
-          "status": 0
+          "other_platform_oauth_client": []
         }
       }
     }
   ],
   "configuration_version": "1"
-}
+}