* feat: add option to use PVC for backups -- thanks monotek
Signed-off-by: Naseem <naseem@transit.app>

* break up backup command into multi-line for readability
Signed-off-by: Naseem <naseem@transit.app>

* fix: backup pvc condition
Signed-off-by: Naseem <naseem@transit.app>

* add ephemeral storage request for backup and add note on backup storage in docs
Signed-off-by: Naseem <naseem@transit.app>