feat: create payment-widget component

[aimensahnoun]

Closes #60

Summary by CodeRabbit

Summary by CodeRabbit

• New Features

  • Introduced a customizable payment widget for cryptocurrency transactions.
  • Enhanced build scripts for better modularity and functionality of the payment widget.
  • Incorporated a new dependency to improve user interface elements.
  • Added TypeScript definitions for better type safety and integration.
  • Created additional components for payment confirmation and currency selection.
  • Implemented real-time currency conversion and a countdown mechanism within the payment confirmation interface.
  • Added a centralized repository for blockchain network information, enhancing multi-chain support.

• Bug Fixes

  • Improved modal styling for a seamless user experience during payment processes.

• Chores

  • Updated configuration files to streamline development and improve compatibility.