v1.0.1

Full Changelog: 1.0.0...1.0.1
Enhance GUI and profile management features

• Updated GUI layout in gui.py to include active profile tracking and improved button functionalities.
• Added profile selection and management capabilities in profile_manager.py, including edit and delete options.
• Improved image signing functionality in signing_engine.py with enhanced error handling and folder opening features.
• Created last_used.json to store the last selected profile.