Add Tamil localization

[Anantha-Eswar]

📜 Description

This PR adds Tamil (ta) localization support to the feedback package.

💡 Motivation and Context

Adding Tamil translations increases accessibility for Tamil-speaking users.

💚 How did you test it?

• Configured the example application to run with localeOverride: const Locale('ta').
• Compiled and launched the example app on an Android device to manually verify that the text labels ("சமர்ப்பி", "என்ன பிரச்சனை?", "வரை", "வழிசெலுத்து") are translated and rendered correctly.

📝 Checklist

• I reviewed submitted code
• I added tests to verify changes
• I updated the docs if needed
• All tests passing
• No breaking changes