Add expo config plugin to handle Android Webview title

[xseignard]

What changes are you making?

Add expo config plugin to be able to change android webview title in a managed expo project.

How to test

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PR Checklist

[!IMPORTANT]

• [ ] I've added tests to support my implementation
• [x] I have read and agree with the Contribution Guidelines.
• [x] I have read and agree with the Code of Conduct.
• [x] I've updated the README.

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Checklist for releasing a new version

• [x] I have bumped the version number in the package.json file.
• [x] I have added a Changelog entry.

[!TIP] See the Contributing documentation for instructions on how to publish a new version of the library.