Download Helm charts stored as OCI artifacts in container registries.
Example: ghcr.io/prometheus-community/charts/kube-prometheus-stack
If not specified, the latest version will be pulled
1. Enter the full OCI reference to your chart (e.g., ghcr.io/prometheus-community/charts/kube-prometheus-stack)
2. Optionally specify a version tag or leave empty for the latest
3. If the registry requires authentication, provide your credentials
4. Click "Pull Chart" to download the chart as a .tgz file