Update storage.md
Update storage.md

The "e.result indicate wether `setItem` is succeed" spelling mistake,should be "whether".
bigconvience/weex,weexteam/incubator-weex,boboning/weex,yuguitao/incubator-weex,LeeJay0226/weex,MrRaindrop/weex,alibaba/weex,cxfeng1/weex,MrRaindrop/weex,boboning/weex,xiayun200825/weex,Hanks10100/incubator-weex,cxfeng1/incubator-weex,yuguitao/incubator-weex,Tancy/weex,acton393/incubator-weex,alibaba/weex,zhangquan/weex,Tancy/weex,acton393/weex,erha19/incubator-weex,miomin/incubator-weex,bigconvience/weex,acton393/weex,misakuo/incubator-weex,acton393/weex,yuguitao/incubator-weex,acton393/incubator-weex,HomHomLin/weex,alibaba/weex,KalicyZhou/incubator-weex,leoward/incubator-weex,xiayun200825/weex,cxfeng1/weex,cxfeng1/incubator-weex,bigconvience/weex,KalicyZhou/incubator-weex,Hanks10100/incubator-weex,bigconvience/weex,HomHomLin/weex,Hanks10100/incubator-weex,cxfeng1/weex,alibaba/weex,Hanks10100/weex,boboning/weex,alibaba/weex,boboning/weex,dianwodaMobile/DWeex,dianwodaMobile/DWeex,kfeagle/weex,kfeagle/weex,Tancy/weex,MrRaindrop/weex,acton393/incubator-weex,cxfeng1/weex,Hanks10100/weex,Neeeo/incubator-weex,zhangquan/weex,Neeeo/incubator-weex,erha19/incubator-weex,acton393/incubator-weex,leoward/incubator-weex,acton393/weex,boboning/weex,Neeeo/incubator-weex,weexteam/incubator-weex,miomin/incubator-weex,Tancy/weex,miomin/incubator-weex,KalicyZhou/incubator-weex,KalicyZhou/incubator-weex,MrRaindrop/incubator-weex,MrRaindrop/incubator-weex,HomHomLin/weex,KalicyZhou/incubator-weex,Tancy/weex,leoward/incubator-weex,LeeJay0226/weex,HomHomLin/weex,acton393/incubator-weex,miomin/incubator-weex,xiayun200825/weex,KalicyZhou/incubator-weex,misakuo/incubator-weex,yuguitao/incubator-weex,zhangquan/weex,zhangquan/weex,cxfeng1/incubator-weex,MrRaindrop/incubator-weex,dianwodaMobile/DWeex,Hanks10100/weex,cxfeng1/weex,dianwodaMobile/DWeex,MrRaindrop/incubator-weex,cxfeng1/incubator-weex,cxfeng1/incubator-weex,leoward/incubator-weex,xiayun200825/weex,miomin/incubator-weex,dianwodaMobile/DWeex,Hanks10100/weex,erha19/incubator-weex,Hanks10100/incubator-weex,miomin/incubator-weex,dianwodaMobile/DWeex,yuguitao/incubator-weex,MrRaindrop/weex,misakuo/incubator-weex,Neeeo/incubator-weex,acton393/weex,weexteam/incubator-weex,xiayun200825/weex,zhangquan/weex,weexteam/incubator-weex,LeeJay0226/weex,weexteam/incubator-weex,misakuo/incubator-weex,MrRaindrop/weex,leoward/incubator-weex,miomin/incubator-weex,Hanks10100/incubator-weex,erha19/incubator-weex,leoward/incubator-weex,Tancy/weex,erha19/incubator-weex,Hanks10100/incubator-weex,Hanks10100/incubator-weex,misakuo/incubator-weex,Hanks10100/weex,misakuo/incubator-weex,MrRaindrop/incubator-weex,acton393/weex,LeeJay0226/weex,yuguitao/incubator-weex,alibaba/weex,HomHomLin/weex,boboning/weex,MrRaindrop/weex,acton393/incubator-weex,Neeeo/incubator-weex,Neeeo/incubator-weex,Hanks10100/incubator-weex,bigconvience/weex,erha19/incubator-weex,erha19/incubator-weex,cxfeng1/incubator-weex,LeeJay0226/weex,erha19/incubator-weex,HomHomLin/weex,kfeagle/weex,alibaba/weex,weexteam/incubator-weex,acton393/incubator-weex,miomin/incubator-weex,kfeagle/weex,zhangquan/weex,LeeJay0226/weex,acton393/incubator-weex,bigconvience/weex,kfeagle/weex,cxfeng1/weex,MrRaindrop/incubator-weex,xiayun200825/weex,Hanks10100/weex,kfeagle/weex