message: nydusctl: add new line at the end of output
  Add new line after printing Profile property to stdout for
  better view.
diff: @@ -333,7 +333,8 @@ impl CommandDaemon {
  r#"
  Version: {version}
  Status: {state}
  -Profile: {profile}"#,
  +Profile: {profile}
  +"#,
  version = version_info["package_ver"],
  state = i["state"],
  profile = version_info["profile"],
  