Update README.md

Author: lukasmatusiewicz

README.md

@@ -1,4 +1,5 @@
-![Java Code Coverage](https://github.com/privacyidea/java-client/.github/workflows/maven.yml/jacoco.svg)
+![Coverage](.github/badges/jacoco.svg)
+![Branches](.github/badges/branches.svg)
 
 # Java client for privacyIDEA
 Java client to aid develop plugins for the privacyIDEA authentication server.