New crate generating Rust gRPC stubs from the official containerd
proto files (vendored as git submodule). Full client-facing API surface
using tonic 0.14 / prost 0.14. No transitive dependency conflicts.
Services: containers, content, diff, events, images, introspection,
leases, mounts, namespaces, sandbox, snapshots, streaming, tasks,
transfer, version.
