Android Setup and bug fixes (C4GT)

[virtualvasu]

Summary

This PR includes a set of bug fixes, improvements to the web alerts, and a full setup for the Android app, including Firebase authentication and APK generation.

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Bug Fixes

• Replaced deprecated HTML meta tag (apple-mobile-web-app-capable) with the updated mobile-web-app-capable tag for better Chrome support.
• Improved all alert messages to be clear, user-friendly, and readable.

Android Setup

• Initialized the Android project within the app.
• Successfully setup Firebase Authentication for Android users.
• Upgraded Gradle distribution from 8.0.2 to 8.12 to ensure compatibility with latest build tools (refered: https://developer.android.com/build/releases/gradle-plugin#updating-gradle).
• Successfully generated an APK of the Android app.

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Checklist for Govt-Billing-React Updates

Web Version

• Fixed deprecated HTML tags for better google chrome support.
• Fixed unclear HTML rendering in alerts.

Android Version

• Upgrade Gradle version to be compatible with the latest Android build tools.

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Project Demo Folder

You can access the demo video and the generated APK from the link below:

https://drive.google.com/drive/folders/1S2NGaPfB9Ogj4rHYrMOp-LdPrIM049tI?usp=sharing

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Notes

• These changes ensure better cross-browser compatibility.
• Android setup is now production-ready with Firebase login and the latest Gradle.

Mergin this PR solves issue: #27