added npmignore
added npmignore

bradparks/vantage,beni55/vantage,eiriksm/vantage,johnpancoast/vantage,rakesh-mohanta/vantage,josephyzhou/vantage,joe-adams/vantage,Nomakk6/vantage,Drooids/vantage,dthree/vantage,Ryan-McBride/vantage,curtiszimmerman/vantage,MeanderingCode/vantage,brollb/vantage,mengmenglv/vantage,broguinn/vantage,e-jigsaw/vantage,esnunes/vantage