Extract navigator and make filenames lowercase, class names uppercase

home.js

@@ -0,0 +1,30 @@
+import React, { Component } from 'react'
+import {
+  View,
+  Button,
+  Text
+} from 'react-native'
+import styles from './styles'
+
+export default class Home extends Component {
+  constructor(props) {
+    super(props)
+  }
+
+  render() {
+    const navigate = this.props.navigation.navigate
+    return (
+      <View style={styles.container}>
+        <Text style={styles.welcome}>Welcome! Today is day 6 of your current cycle</Text>
+        <Button
+          onPress={() => navigate('temperatureList')}
+          title="Edit symptoms for today">
+        </Button>
+        <Button
+          onPress={() => navigate('datepicker')}
+          title="Go to calendar">
+        </Button>
+      </View>
+    )
+  }
+}