Update README.md

update readme

update readme

update readme

added license.txt

added detailed readme

added nginx config file

added dianping as the URL prefix

create aysnc high level component to load other components aysnc

include reselect to refactor some select functions

fixed the order text typoe in purchase

fixed bug related to go back button in the header

add the order to user orders after submit an order

fixed vulnerability

connect purchase view react state with redux statue