improved readme
improved readme

vladimir-kotikov/cordova-app-preferences,xlongtang/me.apla.cordova.app-preferences,apla/me.apla.cordova.app-preferences,apla/me.apla.cordova.app-preferences,daxko/me.apla.cordova.app-preferences,vladimir-kotikov/cordova-app-preferences,daxko/me.apla.cordova.app-preferences,xlongtang/me.apla.cordova.app-preferences,daxko/me.apla.cordova.app-preferences,daxko/me.apla.cordova.app-preferences,tripodsan/me.apla.cordova.app-preferences,micky2be/me.apla.cordova.app-preferences,micky2be/me.apla.cordova.app-preferences,vladimir-kotikov/cordova-app-preferences,tripodsan/me.apla.cordova.app-preferences,tripodsan/me.apla.cordova.app-preferences,daxko/me.apla.cordova.app-preferences,micky2be/me.apla.cordova.app-preferences,vladimir-kotikov/cordova-app-preferences,xlongtang/me.apla.cordova.app-preferences,xlongtang/me.apla.cordova.app-preferences,tripodsan/me.apla.cordova.app-preferences,vladimir-kotikov/cordova-app-preferences,xlongtang/me.apla.cordova.app-preferences,adobe-rnd/me.apla.cordova.app-preferences,apla/me.apla.cordova.app-preferences,apla/me.apla.cordova.app-preferences,adobe-rnd/me.apla.cordova.app-preferences,adobe-rnd/me.apla.cordova.app-preferences,micky2be/me.apla.cordova.app-preferences,apla/me.apla.cordova.app-preferences,adobe-rnd/me.apla.cordova.app-preferences