message: Clarify installation instructions and change CRNA to Expo
diff: @@ -62,37 +62,39 @@ react-native link
  You've successfully setup [NativeBase](https://nativebase.io/) with your [React Native](https://facebook.github.io/react-native/) app. Your React Native app is now all set to run on iOS and Android simulator.
  -**b. Setup with CRNA**
  +**b. Setup with Expo**
  -*Create React Native project using the CRNA cli.* <br />
  -CRNA helps you make React Native apps with no build configuration. Create React App works on macOS, Windows, and Linux. <br />
  -Refer this link for additional information [CRNA](https://github.com/react-community/create-react-native-app)
  +Expo helps you make React Native apps with no build configuration. It works on macOS, Windows, and Linux. <br />
  +Refer this link for additional information on [Expo](https://docs.expo.io/)
  *Install NativeBase*
  ```js
  npm install native-base --save
  ```
  -*Install @expo/vector-icons*
  -```js
  -npm install @expo/vector-icons --save
  -```
  +
  <br />
  **Note** <br />
  -[NativeBase](https://nativebase.io/) uses some custom fonts that can be loaded using **loadAsync** function. Check out [this](https://docs.expo.io/versions/latest/sdk/font#expofontloadasyncobject) expo link.
  +[NativeBase](https://nativebase.io/) uses some custom fonts that can be loaded using **Font.loadAsync**. Check out the [Expo Font documentation](https://docs.expo.io/versions/latest/sdk/font/).
  <br />
  Syntax <br />
  ```js
  -async componentWillMount() {
  - await Expo.Font.loadAsync({
  +// At the top of your file
  +import { Font } from 'expo';
  +import { Ionicons } from '@expo/vector-icons';
  +
  +// Later on in your component
  +async componentDidMount() {
  + await Font.loadAsync({
  'Roboto': require('native-base/Fonts/Roboto.ttf'),
  'Roboto_medium': require('native-base/Fonts/Roboto_medium.ttf'),
  - 'Ionicons': require('@expo/vector-icons/fonts/Ionicons.ttf'),
  + ...Ionicons.font,
  });
  +}
  ```
  <br />
  -Check out the [KitchenSink](https://expo.io/@geekyants/nativebasekitchensink) with CRNA for an example of the implementation.<br />
  +Check out the [KitchenSink](https://expo.io/@geekyants/nativebasekitchensink) with Expo for an example of the implementation.<br />
  Find the [KitchenSink repo here](https://github.com/GeekyAnts/NativeBase-KitchenSink/tree/CRNA)
  **c. Setup with ignite-native-base-boilerplate**
  