feat: add iOS client ID for Google Auth and update app.json with bundle identifier

app.json

@@ -13,7 +13,8 @@
       "backgroundColor": "#ffffff"
     },
     "ios": {
-      "supportsTablet": true
+      "supportsTablet": true,
+      "bundleIdentifier": "com.bobthebob.massphotoapp"
     },
     "android": {
       "package": "com.bobthebob.massphotoapp",
@@ -35,4 +36,4 @@
       }
     }
   }
-}
+}