docs: add react-native instructions in README

Author: rakannimer

examples/react-native/README.md

@@ -2,7 +2,9 @@
 
 Use your React Native components inside docz
 
-> We're using [react-native-web](https://github.com/necolas/react-native-web) to make this integration possible. So, maybe you can have some caveats.
+> We will use [react-native-web](https://github.com/necolas/react-native-web) to make this integration possible.
+> So you might face some issues if you use other react-native modules. 
+> Usually, many react-native modules have a web alternative, make sure to alias them too.
 
 ## Installation
 
@@ -12,19 +14,18 @@ These packages are required to use React Native with docz:
 $ yarn add react-native-web react-art
 ```
 
-Then, just set the `--native` argument with docz script:
-
-```bash
-$ docz dev --native
-$ docz build --native
-```
-
-Or you can set directly on your `doczrc.js`:
+Then alias `react-native` to `react-native-web`
 
 ```js
-export default {
-  native: true
+// gatsby-node.js
+exports.onCreateWebpackConfig = args => {
+  args.actions.setWebpackConfig({
+    resolve: {
+      alias: {
+        'react-native': 'react-native-web',
+      },
+    },
+  })
 }
 ```
 
-That's it 🙌🏻