Setup plugin ids and dependencies

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

plugin/runtime.go

@@ -32,6 +32,8 @@ type Exit struct {
 // Runtime is responsible for the creation of containers for a certain platform,
 // arch, or custom usage.
 type Runtime interface {
+	// ID of the runtime
+	ID() string
 	// Create creates a container with the provided id and options
 	Create(ctx context.Context, id string, opts CreateOpts) (Task, error)
 	// Get returns a container