Update README.md

ChristianOellers · web-flow · commit a1b254955e5c · 2020-09-22T15:55:44.000+02:00
diff --git a/README.md b/README.md
@@ -12,6 +12,7 @@
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 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=TheRemoteCoder_Contao-CMS--Module-Collection&metric=alert_status)](https://sonarcloud.io/dashboard?id=TheRemoteCoder_Contao-CMS--Module-Collection)
+![Maintenance](https://img.shields.io/badge/maintained-no-lightgrey.svg)
 
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