Ad and purchases enabled (still need actual testing)

README.md

@@ -135,7 +135,7 @@ In [Google Cloud Console](https://console.cloud.google.com/):
 3. Add scope `https://www.googleapis.com/auth/drive` to the consent screen
    (shows as "restricted/sensitive" — expected, fine in Testing mode).
 4. **Credentials → Create Credentials → OAuth client ID**, three times:
-   - **Android**: package name `com.courtneyarnold.fuel_tax_tracker` + the
+   - **Android**: package name `com.ohbrer.show_me_the_fuel_refund` + the
      SHA-1 of your debug keystore (`keytool -list -v -keystore
      ~/.android/debug.keystore`, password `android`), and later your release
      keystore's SHA-1 too. This client ID itself is never referenced in