Add Manila storage classes for CephFS share types
Adds storage classes for our Manila offering
Manila share type -> storage class name:
- "Geneva CephFS Testing" -> "geneva-cephfs-testing"
- "Meyrin CephFS" -> "meyrin-cephfs"
- "Meyrin CephFS Vault SSD A" -> "meyrin-cephfs-vault-ssd-a"
Edited by Robert Vasek