Custom Machinery 1.21-0.10.2

Additions :

• Greatly improve color appearance property in customization gui.
• Add tooltips and translations for every appearance properties in customization gui.
• Improve model appearance customization.
• Add reset button for appearance customization.

BugFix :

• Fix machines loaded with datapacks are not saved in correct folder after editing.
• Fix ButtonGuiElement crashing if empty item is provided.
• Fix crash with latest KubeJS.