Add dependabot badge to README.md.
@@ -6,3 +6,5 @@ The Wikipedia Library Card Platform app, available at http://wikipedialibrary.wm
See [twlight_puppet](https://github.com/WikipediaLibrary/twlight_puppet) if you want to set things up on WMF servers, and [twlight_vagrant](https://github.com/WikipediaLibrary/twlight_vagrant) if you want to change things.
[![Build Status](https://travis-ci.org/WikipediaLibrary/TWLight.svg?branch=master)](https://travis-ci.org/WikipediaLibrary/TWLight)
+
+[![Dependabot Status](https://api.dependabot.com/badges/status?host=github&repo=WikipediaLibrary/TWLight)](https://dependabot.com)
