v2.1.1

Update

• Adjust help tips 💡
• Optimize workflows execution speed
• README.md and README.HOW_DOES_IT_WORK.md are adapt the Github Dark Theme 🌙

Attention

1. rarreg_file generated by GitHub Actions are retained for up to 90 days.
2. windows-latest workflows will use Windows Server 2022 around March 6, 2022. If there is an error in the workflow after the update, please submit an issue to let me know.