- add shebang (#!/bin/bash) for explicit shell
- add internationalization support with automatic country detection using curl
- refactor all user messages to use variable-based system for both english and chinese
- add new required command checks (mktemp, printf)
- improve parameter validation for --1panel-path with directory existence check
- add temporary directory cleanup function with trap for interrupt signals
- improve error handling and user feedback throughout the script
…stom path support
- add parameter parsing for --app and --1panel-path options
- support copying specific apps instead of all apps
- allow custom 1Panel installation path specification
- improve user guidance with detailed usage examples
- maintain backward compatibility with automatic path detection
