message: Add doc for enabling Harbor authentication
  Fix
diff: @@ -101,6 +101,13 @@ To add Harbor as the private chart repository, go to `Configuration > App Reposi
  Once you create the repository you can click on the link for the specific repository and you will be able to deploy your own applications using Kubeapps.
  +### Harbor: Authentication/Authorization
  +
  +It is possible to configure Harbor to use HTTP basic authentication:
  +
  + - When creating a new project for serving as the helm chart repository in Harbor, set the `Access Level` of the project to non public. This enforces authentication to access the charts in the chart repository via Helm CLI or other clients.
  + - When `Adding App Repository` in Kubeapps, select `Basic Auth` for `Authorization` and specifiy the username and password for Harbor.
  +
  ## Artifactory
  JFrog Artifactory is a Repository Manager supporting all major packaging formats, build tools and CI servers.
  