Version 1.8.1: Fix critical error in flash-install command

Version 1.8.1 (2024-07-10)

Breaking Changes

• Changed the flash-install command to use the direct CLI implementation for better reliability and performance
• Removed the React-based terminal UI to avoid compatibility issues with React versions

Bug Fixes

• Fixed critical error when running flash-install after downloading
• Fixed React version compatibility issues by downgrading React from 19.1.0 to 18.3.1
• Updated the postinstall script to make the direct CLI executable

Documentation

• Updated README and documentation to reflect the new command usage
• Clarified that flash-install install is the recommended command
• Added more examples of command usage