Merge pull request #1448 from jsierles/cli-documentation

[Docs] Document the react-native CLI init command

react-native-cli/README.md

@@ -0,0 +1,8 @@
+Use react-native-cli to initialize a working starter React Native app using the latest react-native version in npm. This package should be installed globally.
+
+Usage:
+
+```
+% npm install -g react-native-cli
+% react-native init MyApplication
+```