support for volumes_from docker-compose construct

Now a user can provide volumes_from to share volumes
from other service so here the PVC created for that
service will be shared by service calling volumes_from

pkg/loader/compose/compose.go

@@ -193,6 +193,7 @@ func (c *Compose) LoadFile(file string) kobject.KomposeObject {
 			serviceConfig.Privileged = composeServiceConfig.Privileged
 			serviceConfig.Restart = composeServiceConfig.Restart
 			serviceConfig.User = composeServiceConfig.User
+			serviceConfig.VolumesFrom = composeServiceConfig.VolumesFrom
 
 			komposeObject.ServiceConfigs[name] = serviceConfig
 		}