Extra Volumes and Extra Volume mounts for Sentinel

api/redisfailover/v1/types.go

api/redisfailover/v1/zz_generated.deepcopy.go

example/operator/kustomization.yaml

example/redisfailover/extravolumes-mounts.yaml

manifests/databases.spotahome.com_redisfailovers.yaml

operator/redisfailover/service/generator.go