Add readme #2

VovanR · VovanR · commit 066ef1036bf8 · 2016-01-25T11:12:04.000+03:00
* Add Usage section
diff --git a/README.md b/README.md
@@ -11,10 +11,16 @@
 
 ## Install
 
-```sh
+```
 npm install --global posthtml-cli
 ```
 
+## Usage
+
+```
+posthtml-cli --help
+```
+
 ## License
 MIT
 
