First version of public cluster-rke2-openstack

Capable of provisioning Kubernetes RKE2 Clusters on top of OpenStack

Features

Cloud Init (ssh keys, bootcmd, runcmd)
Cluster upgradeStrategy (controlPlaneDrainOptions, workerDrainOptions, controlPlaneConcurrency, workerConcurrency)
Parametized CNI
Cluster Autoscaler
Monitoring
Cluster native Ingress (via chart or raw manifest)
Etcd parameters (args, exposeMetrics, snapshotRetention, snapshotScheduleCron)
CoreDNS, OCCM, Cinder
Registries configuration
Node Scripts
Agent Environment Vars
KubeAPI and Kubelet args
Supports out-of-rancher kubeconfig authentication