Add TODO.md with future improvement items

- Create comprehensive TODO list for AutoInstaller GUI and live system improvements
- Add task for enhanced copy system step with detailed shell command output display
- Add task for moving network configuration file creation before disk mounting
- Add task for cleaning up duplicate startx zz-live files in /etc/profile.d
- Include implementation notes and testing requirements

This provides a roadmap for future enhancements and bug fixes
to improve the AutoInstaller GUI user experience and system cleanliness.

TODO.md

+# TODO List
+
+## AutoInstaller GUI Improvements
+
+### Copy System Step Enhancement
+- **autoinstaller_gui**: Add more details in the copy system step
+- Show shell command outputs in a small text area during rsync operation
+- Display real-time progress of file copying with current file/directory being processed
+- Show transfer statistics (files copied, data transferred, speed)
+
+### Network Configuration Timing
+- **autoinstaller_gui**: Try to set `/target/etc/network/interfaces` before mounting
+- Move network configuration file creation to happen before disk mounting
+- Ensure network interfaces file is written to target filesystem before mount operation
+- Test that network configuration persists correctly when written pre-mount
+
+## Live System Fixes
+
+### Profile.d File Cleanup
+- **live system**: Remove duplicate startx zz-live file in `/etc/profile.d`
+- Check for duplicate `/etc/profile.d/zz-live-config_xinit.sh` entries
+- Clean up redundant live configuration files
+- Ensure only one instance of startx configuration exists
+
+## Implementation Notes
+- All changes should maintain backward compatibility
+- Test on both live USB and installed systems
+- Ensure proper error handling for all new features
+- Update documentation after implementing changes
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