* split up code in logical modules instead of one giant file
* added module structure, imports etc
* updated README
* add storing & reloading of lists of scenes
* minor cleanups & tweaks
* closes#64
* moved gltf_auto_export specific docs/images inside the addon's folder
* updated main title image
* refactor(examples): moved examples into more logic folders & changed to allow for per example dependencies
* chore(): updated docs, added docs, updated deps , cargo files etc
* switch to ron for components inside Blender
* related experiments & cleanups
* total overhaul & cleanup of physics proxies handling
* a lot of cleanups
