Refactor CyberPanel Installer into Modular Architecture
- Transformed the monolithic installer script into a modular structure, enhancing maintainability and readability.
- Introduced dedicated modules for OS detection, dependency management, installation logic, and fixes.
- Added a beautiful interactive UI with progress indicators and menus for a better user experience.
- Implemented multiple installation modes: Interactive, Auto, and Update.
- Included comprehensive error handling and logging for improved diagnostics.
- Created a test script to validate module existence and functionality.
This update significantly improves the installation process and user interaction for CyberPanel.
