Add a helpful message for when someone does "node npm.js"
Add a helpful message for when someone does "node npm.js"

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