master TODO
 1Maus:
 2[ ] Relative cursor
 3	[ ] Fill deltas
 4[ ] Rename mw->ctx internally
 5[ ] Move framebuffer creation out
 6    of maus_init on platforms
 7[?] Cursor warping
 8[?] Custom cursor
 9
10MausFont:
11
12X11:
13Wayland:
14Windows:
15macOS:
16