prepare archiving

Author: dvvanessastoiber

README.md

@@ -6,6 +6,10 @@ Chart.js module for charting box and violin plots. **Works only with Chart.js >=
 ![Box Plot](https://user-images.githubusercontent.com/4129778/42724341-9a6ec554-8770-11e8-99b5-626e34dafdb3.png)
 ![Violin Plot](https://user-images.githubusercontent.com/4129778/42724342-9a8dbb58-8770-11e8-9a30-3e69d07d3b79.png)
 
+### DEPRECATION Information
+
+Please note that this project has been archived and is no longer being maintained. There is an active fork https://github.com/sgratzl/chartjs-chart-boxplot and we will also contribute our future changes to it.
+
 
 ## Install