[WIP] Add AI features to enhance keyboard app

[Copilot]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

Original prompt

Can you scan the app code and what AI feature or premium feature you can provide for this so that people can make purchase scription? I already have all the subscription code. Can you list and shortlist top 3 feature you can add to this app.
Note: feature that you can add, I can give you all the keys and service access. I want you to add everthing from scrach to make app better and more intuitive so that people will purchase.

This is akeyboard app.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud