publish to hub.helm.sh

[hellt]

nit feature.
Helm has a nice UI for CRDs and everything, also makes installation command shorter =)

https://artifacthub.io/docs/topics/repositories/helm-charts/#oci-support

[hellt]

https://artifacthub.io/packages/helm/clabernetes/clabernetes

package has been set up. Need to work on getting proper ownership metadata assigned to @carlmontanari (and likely somehow copy the readme in the chart oci registry)

[hellt]

readme done in #111

artifacthub-repo.yml has been pushed with

cd charts/clabernetes && \
docker run --rm -v $(pwd):/workspace -v ~/.docker/config.json:/root/.docker/config.json \
ghcr.io/oras-project/oras:v1.1.0 push ghcr.io/srl-labs/clabernetes/clabernetes:artifacthub.io \
--config /dev/null:application/vnd.cncf.artifacthub.config.v1+yaml \
artifacthub-repo.yml:application/vnd.cncf.artifacthub.repository-metadata.layer.v1.yaml