Immanuel/nnn: My build of nnn with minor changes - nnn

My build of nnn with minor changes

0xACE 67962efbd5 state.runctx now retains bitwidth as cfg.curctx Didn't test this out, but judging by the name of the variable this should be a bugfix		4 anni fa
..
.clang-tidy	Limit lines of code per func to 900	4 anni fa
dbg.h	Update copyright year	4 anni fa
icons-in-terminal.h	Add nerdfont defs file and normalize vars (#722)	4 anni fa
icons-nerdfont.h	Add nerdfont defs file and normalize vars (#722)	4 anni fa
icons.h	Color for vtt sub icons	4 anni fa
nnn.c	state.runctx now retains bitwidth as cfg.curctx	4 anni fa
nnn.h	Update copyright year	4 anni fa
qsort.h	Add support for Alexey Tourbin's QSORT code (#708)	4 anni fa