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

My build of nnn with minor changes

Arun Prakash Jana 10c8344fbd Update docs		6 lat temu
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auto-completion	Update docs	6 lat temu
natool	natool: support multiple args	6 lat temu
nlay	Add readme on nlay	6 lat temu
quitcd	Document second method of adding quitcd to fish	6 lat temu
test	Fix file name generation	6 lat temu