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

My build of nnn with minor changes

Arun Prakash Jana 56ca0a6cce Rudimentary C Shell script to quit and cd		pirms 6 gadiem
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auto-completion	Retire nlay	pirms 6 gadiem
copier	Support multiple file path copy	pirms 7 gadiem
natool	Add wrapper script for patool integration	pirms 6 gadiem
nlay	Update docs	pirms 6 gadiem
quitcd	Rudimentary C Shell script to quit and cd	pirms 6 gadiem
test	Fix test dir name	pirms 7 gadiem