update readme
update readme

zhangweiabc/EventDrops,dbirchak/EventDrops,XVENT/https-github.com-marmelab-EventDrops,zhangweiabc/EventDrops,poopcorn/EventDrops,dbirchak/EventDrops,Smart-Sports/EventDrops,Smart-Sports/EventDrops,XVENT/https-github.com-marmelab-EventDrops,marmelab/EventDrops,poopcorn/EventDrops