read me

Author: Liqiankun

README.md

@@ -2,9 +2,6 @@
 ## How to run 
 * Think twice before you go with React Native
 * `Xcode 10.1`
-* `npm i`
-* `react-native link`
-* `react-native run-ios --simulator='iPhone XS'`
-
-## Upgrade
-Time to upgrade to 0.62+. Coming soon!
+* `yarn`
+* `pod install`
+* `npx react-native run-ios`