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

My build of nnn with minor changes

Arun Prakash Jana d5512462af Move nlaunch to plugins as launch		5 lat temu
..
auto-completion	Option -R to disable rollover at edges	5 lat temu
clipboard-copier	Fix some cat abuses in code, plugins	5 lat temu
natool	Move scripts to misc	6 lat temu
packagecore	Prepare for release v2.8.1	5 lat temu
quitcd	Update docs	5 lat temu
test	shellcheck fixes	5 lat temu