Update README.markdown

Igosuki · web-flow · commit f3ffec063cdc · 2021-04-21T15:36:14.000+02:00
diff --git a/README.markdown b/README.markdown
@@ -1,3 +1,7 @@
+# Status
+
+This library is not maintained anymore.
+
 [![Build Status](https://travis-ci.org/Igosuki/compass-mixins.svg?branch=master)](https://travis-ci.org/Igosuki/compass-mixins)
 
 # Compass SASS Stylesheets
