When quorum breaks and we are able to get a snapshot of one of the etcd members, we need a procedure to restore the etcd cluster for a given HostedCluster.
Documented here: https://docs.google.com/document/d/1sDngZF-DftU8_oHKR70E7EhU_BfyoBBs2vA5WpLV-Cs/edit?usp=sharing
Add the above documentation to the HyperShift repo documentation.