Merge pull request 'OZG-4786-HealthCheck' (#17) from OZG-4786-HealthCheck into master

Reviewed-on: https://git.ozg-sh.de/ozgcloud-app/administration/pulls/17

src/main/resources/application.yaml

@@ -35,6 +35,9 @@ management:
   endpoint:
     health:
       group:
+        readiness:
+          include: readinessState,mongo
+          show-details: always
         exploratory:
           include: livenessState,readinessState,ping,mongo
           show-details: always