docs: Kubernetes installation
docs: Kubernetes installation

Co-authored-by: Toby Bellwood <0a4d5a8460adee67883550f01d514e6e716b5ee0@amazee.com>

amazeeio/lagoon,amazeeio/lagoon,amazeeio/lagoon,amazeeio/lagoon,amazeeio/lagoon,amazeeio/lagoon,amazeeio/lagoon