update readme
update readme

gengen1988/BaiduGeolocationPlugin,gengen1988/cordova-plugin-baidu-geolocation,iDay/cordova-plugin-baidu-geolocation,gengen1988/BaiduGeolocationPlugin,gengen1988/cordova-plugin-baidu-geolocation,ETENG-OSP/cordova-plugin-baidu-geolocation,ETENG-OSP/cordova-plugin-baidu-geolocation,iDay/cordova-plugin-baidu-geolocation