Merge pull request 'fix(gitignore): added DS_Store and backend.conf to .gitignore' (#40) from fix/gitignore into main

Reviewed-on: https://professional-service.git.onstackit.cloud/professional-service-best-practices/professional-service/pulls/40

Author: Mauritz_Uphoff

.gitignore

@@ -72,3 +72,8 @@ keys
 ### K8s
 .kubeconfig
 /examples/telemetry-router-hub-spoke-setup/scripts/downloads/
+
+*.DS_Store
+
+# ignore backend.conf files, but keep backend.conf.example
+*backend.conf