* tweaked & changed code where relevant
* also added support for the new gltf_xxx_extras in bevy_gltf_components
* animation support needs an overhaul given the extensive changes in v0.14 (wip)
* still a giant mess, but works
* examples not yet updated, will get overhauled
* testing project is now independant from the "common" example code: ie no debug ui, no physics,
no bevy_asset_loader
* testing project WORKS , even without any of the above, so asset loading (even if rough), is functional !
* added VERY rough hierarchy/ components debug to testing project to visualize things
without bevy_editor_pls egui & co
* related tweaks & changes
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