Update README.md

Author: Yoav Kadosh

README.md

@@ -300,6 +300,7 @@ Set a callback function that will be used to convert variables to actual values.
 * ~~Add support for loading the compiled CSS externally instead of printing to the document head~~ (Added in 1.0.1)
 * ~~Add support for multiple value callback functions~~ (Added in 1.0.2)
 * Add support for caching and improve performance
+* Add option for minification
 
 ## Changelog