* Add Island tab with sky color editor
- Add parseVariables() to SaveGameParser to extract variable names, values, and offsets
- Add updateVariable() to SaveGameSerializer for modifying variable values
- Add colorUtils.js with LEGO Island's custom HSV-to-RGB algorithm
- Add SkyColorEditor component with H/S/V sliders and color preview
- Add Island tab to SaveEditorPage with Sky Color section
- Include reset to default button when values differ from default (56/54/68)
* Remove tooltip
* Add light position editor to Island tab
Allows users to select one of 6 sun positions using visual globe
image selectors. Includes converted globe images (BMP to WebP).
