Update README.md

Eugene Matvejev · web-flow · commit edd5b61ec1a2 · 2016-06-18T22:34:55.000+03:00
diff --git a/README.md b/README.md
@@ -2,6 +2,9 @@
 * can be triggered from composer's script's session: compiles LESS/SASS/Compass
 
 # How to use:
+```
+composer require "eugene-matvejev/css-compiler":"@dev"
+```
 ### add into composer __scripts__ directory:
 ```
 "EM\\CssCompiler\\Handler\\ScriptHandler::compileCSS"
