Archived old OpenGL gaming core.

Kajetan Johannes Hammerle acdea7e3c4 stack allocator and tests %!s(int64=4) %!d(string=hai) anos
images bff2959fac png reader and tests %!s(int64=4) %!d(string=hai) anos
input b071869bd3 button handler and registry for keyboard and gamepads %!s(int64=4) %!d(string=hai) anos
math aed1d3e7f9 most quaternion / matrix opperations are removed as there is no use case %!s(int64=4) %!d(string=hai) anos
memory acdea7e3c4 stack allocator and tests %!s(int64=4) %!d(string=hai) anos
rendering 6b45abdc35 added missing include %!s(int64=4) %!d(string=hai) anos
tests acdea7e3c4 stack allocator and tests %!s(int64=4) %!d(string=hai) anos
utils 43b70c7d12 bracket operator for color %!s(int64=4) %!d(string=hai) anos
wrapper 33d0fc4551 removed wrong const %!s(int64=4) %!d(string=hai) anos
Main.cpp acdea7e3c4 stack allocator and tests %!s(int64=4) %!d(string=hai) anos
meson.build acdea7e3c4 stack allocator and tests %!s(int64=4) %!d(string=hai) anos