RNDatePicker" was not found in the UIManager.

Describe the bug A clear and concise description of what the bug is.

Expected behavior A clear and concise description of what you expected to happen.

To Reproduce Add example code that reproduces the behavior.

export default class App extends Component {

  state = { date: new Date() }

  render = () =>
    <DatePicker
      date={this.state.date}
      onDateChange={date => this.setState({ date })}
    />

}

Smartphone (please complete the following information):

• OS: [Android or iOS]
• React Native version [e.g. 0.60.0]
• react-native-date-picker version [e.g. 2.5.1]