Adding --save switch (#41)

Artur Muniz · danilowoz · commit aa4e9eec4683 · 2017-12-19T17:55:10.000-02:00
diff --git a/README.md b/README.md
@@ -17,7 +17,7 @@ If you are looking for
 **Using npm:**
 
 ```sh
-npm i react-content-loader
+npm i react-content-loader --save
 ```
 
 **Using Yarn:**
