Kubernetic integrates with Helm as Package management. In this section the Repositories refer to Helm repositories.
Go to screen Settings > Repositories
You will see the list of Repositories for Helm. By default helm configures stable and local repository.
Let's add a new repository:
Fill name: kubernetic
Fill URL: https://harbur.github.io/kubernetic-charts/
Click Add Repository button
Repositories can be deleted from the menu:
A confirmation dialog is shown before deleting the repository: