Implement react Package

[SeiyaKobayashi]

📝 Overview

Implement a new package called react. react package should implement React components & hooks to interact with JPYC contacts in more intuitive way than the script-based core package.

🖋 Details

• Implement React components & hooks with all the necessary functionalities (i.e., all functions of JPYC v2 contract)
• Implement unit tests when appropriate
• Implement example code that uses react package in https://github.com/jcam1/sdk-examples

📚 References

• https://wagmi.sh/react/guides/viem