Update config.yaml (#322)

set ref back to main

Author: avetgit

examples/example-apps-via-content-loader/config.yaml

@@ -23,7 +23,7 @@ content:
       createJenkinsJob: true
     - url: https://github.com/cloudogu/gitops-playground
       path: examples/example-apps-via-content-loader/
-      ref: feature/extract-example-apps   #TODO here add main
+      ref: main
       templating: true
       type: FOLDER_BASED
       overwriteMode: UPGRADE
@@ -44,4 +44,4 @@ content:
       yamllint: "cytopia/yamllint:1.25-0.7"
       nginx: ""
       petclinic: "eclipse-temurin:17-jre-alpine"
-      maven: ""
+      maven: ""