Register keys independently of the actions

Reorganized code and added some feature and listed restrictions. Some gltf models do not work yet.

This function is not required, users can check it with `GetGamepadName()`

* - support create OpenGL debug context in OpenGL 4.3

* - additional events in debug message
- fixed glEnable(GL_DEBUG_OUTPUT)

* Reviewed OpenGL Debug Context

Actually, it was broken and it that code has no maintainer.

Those defines are only used inside `rlgl` module

Now uses correct version.

* - Fixing the error of loading VOX models.

* - fixed spaces

Co-authored-by: Michael <michael@cubeofb.org>

- Support Compute Shaders by rlgl API
 - Support SSBO by rlgl API

* Add basic compute shader and ssbo support in rlgl.

* Add rlBindImageTexture (untested), now requires SUPPORT_COMPILE_SHADERS

* Delete glad.c

* Delete glad.h

* Delete khrplatform.h

* Revert to previous glad.h

* Remove "glad.c"

Co-authored-by: Ray <raysan5@gmail.com>