code: func (c *ContainerServer) AddContainer(ctr *oci.Container) {
  	sandbox := c.state.sandboxes.Get(ctr.Sandbox())
  	if sandbox == nil {
  		return
  	}
  	sandbox.AddContainer(ctr)
  	c.state.containers.Add(ctr.ID(), ctr)
  }
docs: // AddContainer adds a container to the container state store