Add Revved up by Develocity badge

README.adoc

@@ -1,5 +1,7 @@
 image::https://github.com/spring-projects/spring-security-samples/workflows/CI/badge.svg[link=https://github.com/spring-projects/spring-security-samples/actions?query=workflow%3ACI]
 
+image::https://img.shields.io/badge/Revved%20up%20by-Develocity-06A0CE?logo=Gradle&labelColor=02303A["Revved up by Develocity", link="https://ge.spring.io/scans?search.rootProjectNames=spring-security-samples"]
+
 Samples for https://github.com/spring-projects/spring-security
 
 == Samples catalog