Add git repo step to `npm init`.
Add git repo step to `npm init`.

Simplify origin string extraction and force use of public git URL.

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