Update README.md

Liqiankun · web-flow · commit 78d93ccd9b54 · 2020-04-01T09:52:08.000+08:00
diff --git a/README.md b/README.md
@@ -5,3 +5,6 @@
 * `npm i`
 * `react-native link`
 * `react-native run-ios --simulator='iPhone XS'`
+
+## Upgarde
+Time to upgrade to 0.62+. Coming soon!
