…checks

- Changed exit calls to return statements for better control flow.
- Updated user and OS checks to enhance script robustness.
- Improved network request handling for fetching release versions.
- Enhanced readability and maintainability of the code.

- Implemented detection for OpenWrt systems, enhancing compatibility.
- Updated package management commands for OpenWrt using 'opkg'.
- Added installation and service management for Xray on OpenWrt, including init script creation.
- Improved error handling for unsupported operating systems and architectures.
- Enhanced logging setup for Xray service on OpenWrt.