Archived old OpenGL gaming core.

Kajetan Johannes Hammerle acdea7e3c4 stack allocator and tests 4 anni fa
images bff2959fac png reader and tests 4 anni fa
input b071869bd3 button handler and registry for keyboard and gamepads 4 anni fa
math aed1d3e7f9 most quaternion / matrix opperations are removed as there is no use case 4 anni fa
memory acdea7e3c4 stack allocator and tests 4 anni fa
rendering 6b45abdc35 added missing include 4 anni fa
tests acdea7e3c4 stack allocator and tests 4 anni fa
utils 43b70c7d12 bracket operator for color 4 anni fa
wrapper 33d0fc4551 removed wrong const 4 anni fa
Main.cpp acdea7e3c4 stack allocator and tests 4 anni fa
meson.build acdea7e3c4 stack allocator and tests 4 anni fa