This pull request introduces several improvements to the Cursor Version Manager (CVM) to enhance user experience, process management, and version control functionality. Here are the key changes:

Major Improvements

• Enhanced process management for Fish shell users with nohup and disown commands
• Improved version update workflow with automatic latest version download when none exists locally
• Added clear user instructions to close and reopen Cursor after version updates
• Changed shebang from sh to bash for better compatibility

User Experience Enhancements

• Improved feedback messages for script interruption
• Enhanced version information display for local installations
• Better error handling and user feedback for local version listing
• More consistent argument handling across all commands

Technical Improvements

• Simplified version extraction logic in getActiveVersion function
• Enhanced version removal process with better checks and user feedback
• Improved error handling for local version listing
• More robust version management functionality

Bug Fixes

• Fixed process management issues in Fish shell cursor function
• Improved local version listing and error handling
• Enhanced version update functionality

These changes make the Cursor Version Manager more reliable, user-friendly, and maintainable while providing better feedback to users during various operations.