feat: add Report an Issue button to SettingsScreen

[Vishakhayadavv]

Summary

Adds a "Report an Issue" button to the SettingsScreen in the mobile app, allowing users to quickly contact support directly from the app's settings.

Closes #14

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Type of Change

• Bug fix
• New feature
• Refactor (no functional change)
• UI / Design change
• Tests only
• Documentation
• Infrastructure / DevOps
• Security

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What Changed

• Added "Report an Issue" button to apps/mobile/src/screens/SettingsScreen.tsx
• Used Linking.openURL with a mailto: scheme to open the device's native mail composer
• Pre-filled support@devcard.dev as the recipient so users don't need to type it manually

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How to Test

1. Run the mobile app on an Android emulator or iOS simulator
2. Navigate to the Settings screen
3. Tap the "Report an Issue" button
4. Verify that the native mail composer opens with support@devcard.dev pre-filled as the recipient

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Checklist

• My code follows the project's coding style (pnpm -r run lint passes).
• TypeScript compiles without errors (pnpm -r run typecheck).
• I have added or updated tests for the changes I made.
• All tests pass locally (pnpm -r run test).
• I have updated documentation where necessary.
• No new console.log or debug statements left in the code.
• Breaking changes are documented in this PR description.

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[Vishakhayadavv]

@ShantKhatri kindly review this and let me know if any changes are needed

[ShantKhatri]

Thanks @Vishakhayadavv for the PR. Could you just add the small video to show the feat? I'm just on to hit the merge.

[Vishakhayadavv]

Hi, sorry I couldn’t test it on my laptop because I was having some trouble running the project locally. I’m trying to fix the issue and will test it properly as soon as I can.

[ShantKhatri]

Hi, sorry I couldn’t test it on my laptop because I was having some trouble running the project locally. I’m trying to fix the issue and will test it properly as soon as I can.

Have you done these changes on your local and tested?

[Vishakhayadavv]

Hi, sorry I couldn’t test it on my laptop because I was having some trouble running the project locally. I’m trying to fix the issue and will test it properly as soon as I can.

Have you done these changes on your local and tested?

I did make the changes but was unable to test them sir