Linking to stop in next react release

[sanarena]

When doing react-native link, it shows following warning:
`warn The following packages use deprecated "rnpm" config that will stop working from next release:

• @shoutem/ui: http://shoutem.github.io/docs/ui-toolkit/introduction
  Please notify their maintainers about it. You can find more details at https://github.com/react-native-community/cli/blob/master/docs/configuration.md#migration-guide.`
  It is successful but soon to be stopped working.