Move list of empties & other lists to asset library as json config files

[enenra]

Set up generalized reading json files.

• [x] Empties: Dummys
• [x] Empties: Highlight Empties
• [x] Empties: Preset Subpart
• [ ] Particle Settings

Sources https://blender.stackexchange.com/questions/10910/dynamic-enumproperty-by-type-of-selection