Archived old OpenGL gaming core.

Kajetan Johannes Hammerle e3afd01bbb window and options 4 rokov pred
images bff2959fac png reader and tests 4 rokov pred
math aed1d3e7f9 most quaternion / matrix opperations are removed as there is no use case 4 rokov pred
rendering 4a994d3a5c bug fixes 4 rokov pred
tests 43b70c7d12 bracket operator for color 4 rokov pred
utils 43b70c7d12 bracket operator for color 4 rokov pred
wrapper e3afd01bbb window and options 4 rokov pred
Main.cpp b8f6e4c345 buffer and tests, attribute spacers without argument and correctly 4 rokov pred
meson.build e3afd01bbb window and options 4 rokov pred