Reset PlaygroundScreen changes

Author: ethanshar

demo/src/screens/PlaygroundScreen.tsx

@@ -1,13 +1,21 @@
 import _ from 'lodash';
 import React, {Component} from 'react';
 import {StyleSheet} from 'react-native';
-import {View, Incubator, Text, Card, TextField, Button} from 'react-native-ui-lib'; //eslint-disable-line
+import {View, Text, Card, TextField, Button} from 'react-native-ui-lib'; //eslint-disable-line
 
 export default class PlaygroundScreen extends Component {
   render() {
     return (
       <View bg-dark80 flex padding-20>
-        <Incubator.WheelPicker/>
+        <View marginT-20>
+          <TextField placeholder="Placeholder" />
+        </View>
+        <Card height={100} center padding-20>
+          <Text text50>Playground Screen</Text>
+        </Card>
+        <View flex center>
+          <Button marginV-20 label="Button"/>
+        </View>
       </View>
     );
   }