Merge pull request #554 from bogdando/kubeadm_adoption

Update roadmap for the kubeadm LCM track

docs/roadmap.md

@@ -37,6 +37,7 @@ That would probably improve deployment speed and certs management [#553](https:/
 - test scale up cluster:  +1 etcd, +1 master, +1 node
 
 ### Lifecycle
+- Adopt the kubeadm tool by delegating CM tasks it is capable to accomplish well [#553](https://github.com/kubespray/kargo/issues/553)
 - Drain worker node when upgrading k8s components in a worker node. [#154](https://github.com/kubespray/kargo/issues/154)
 - Drain worker node when shutting down/deleting an instance