• drop-in containerd/cri replacement #49, #39
• k3c and buildkit as containerd plugins #26
  this means sharing a single gRPC socket for containerd, CRI, BuildKit, and k3c
• publish manifested images to docker hub #35, #36, #37
• make k3c containers invisible to kublet #39
  prevents the kublet from garbage collecting k3c pods and containers
• make built images available to kublet #41, #44
• make k8s containers visible to k3c #45