Add Zenodo DOI Badge

Change-Id: I660e0d83ec365b4cdda4155473d313b7ccdae2ff
diff --git a/README.md b/README.md
index 6d9da6f..4d351e4 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 Kalamar is a [Mojolicious](http://mojolicio.us/)-based user interface
 frontend for the [KorAP Corpus Analysis Platform](http://korap.ids-mannheim.de/).
 
+[![DOI](https://zenodo.org/badge/36036704.svg)](https://zenodo.org/badge/latestdoi/36036704)
+
 ![Kalamar Screenshots](https://raw.githubusercontent.com/KorAP/Kalamar/master/dev/demo/img/screenshots.png)
 
 ## Setup