Document the 'depth' argument for `npm-ls'.
Document the 'depth' argument for `npm-ls'.

DaveEmmerson/npm,kimshinelove/naver-npm,yyx990803/npm,TimeToogo/npm,segrey/npm,princeofdarkness76/npm,rsp/npm,evanlucas/npm,Volune/npm,thomblake/npm,kemitchell/npm,thomblake/npm,segrey/npm,misterbyrne/npm,cchamberlain/npm-msys2,evanlucas/npm,DIREKTSPEED-LTD/npm,yyx990803/npm,haggholm/npm,yodeyer/npm,yibn2008/npm,ekmartin/npm,lxe/npm,segrey/npm,rsp/npm,haggholm/npm,midniteio/npm,midniteio/npm,DIREKTSPEED-LTD/npm,kriskowal/npm,yodeyer/npm,cchamberlain/npm-msys2,ekmartin/npm,Volune/npm,chadnickbok/npm,yodeyer/npm,cchamberlain/npm,yyx990803/npm,evocateur/npm,TimeToogo/npm,kimshinelove/naver-npm,kriskowal/npm,lxe/npm,DaveEmmerson/npm,ekmartin/npm,xalopp/npm,princeofdarkness76/npm,misterbyrne/npm,lxe/npm,kemitchell/npm,chadnickbok/npm,xalopp/npm,Volune/npm,princeofdarkness76/npm,DaveEmmerson/npm,cchamberlain/npm-msys2,DIREKTSPEED-LTD/npm,yibn2008/npm,cchamberlain/npm,TimeToogo/npm,kimshinelove/naver-npm,evocateur/npm,rsp/npm,misterbyrne/npm,yibn2008/npm,chadnickbok/npm,kemitchell/npm,cchamberlain/npm,kriskowal/npm,haggholm/npm,thomblake/npm,evocateur/npm,xalopp/npm,midniteio/npm,evanlucas/npm