Week 1: Implement version updates and fixes.

[virtualvasu]

The react and android version of Govt-Billing-React needs the following changes:

---

Tasks Overview

Web version

• HTML meta tag (apple-mobile-web-app-capable) is deprecated, add tags for better chrome support.
• Some alert messages are unclear, due to unclear HTML rendering need fixing.

Android version

• Current gradle version is incompatible with latest build tools.