[StanleyCocos]

Description

• GoogleServices-Info.plist → GoogleService-Info.plist
• REVERSE_CLIENT_ID → REVERSED_CLIENT_ID

Checklist

Before you create this PR confirm that it meets all requirements listed below by checking the relevant checkboxes ([x]).
This will ensure a smooth and quick review process. Updating the pubspec.yaml and changelogs is not required.

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
• My PR includes unit or integration tests for all changed/updated/fixed behaviors (See Contributor Guide).
• All existing and new tests are passing.
• I updated/added relevant documentation (doc comments with ///).
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• I signed the CLA.
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Breaking Change

Does your PR require plugin users to manually update their apps to accommodate your change?

• Yes, this is a breaking change.
• No, this is not a breaking change.

[gemini-code-assist]

Code Review

This pull request updates the documentation in the README.md of the firebase_auth example. It corrects the typos for the iOS configuration, changing REVERSE_CLIENT_ID to REVERSED_CLIENT_ID and GoogleServices-Info.plist to GoogleService-Info.plist. There are no review comments, and I have no additional feedback to provide.