- Updated `load_instance` function to handle FileNotFoundError gracefully.
- Improved `Launcher` class to update UI elements with instance details after loading.
- Added new properties `image` and `news_feed` to the `Instance` class.
- Introduced JSON schema for instance configuration with new properties.
- Created default instance configuration for "LCE-Hub neoLegacy".
- Added scripts for downloading images and preparing packages.
- Implemented new image handling class for better image management.
- Updated versioning in `main.py` and `uv.lock` for release 0.26.4.11.