Make the welcome screen look nicer

demo/app/index.tsx

@@ -1,5 +1,5 @@
-import { Text, View } from "react-native";
-import { iOSUIKit } from "react-native-typography";
+import { Text, View, StyleSheet } from "react-native";
+import { iOSUIKit, systemWeights } from "react-native-typography";
 
 export default function Index() {
   return (
@@ -8,16 +8,23 @@ export default function Index() {
         flex: 1,
         justifyContent: "flex-start",
         alignItems: "flex-start",
-        paddingHorizontal: 48,
-        paddingVertical: 20
+        paddingHorizontal: 15,
+        paddingVertical: 15
       }}
     >
-      <Text style={iOSUIKit.largeTitleEmphasized}>
-        Thank you for choosing react-native-typography!
+      <Text style={styles.title}>
+        Thank you for testing react-native-typography!
       </Text>
       <Text style={iOSUIKit.body}>
-        You can find examples on the different screens on the menu.
+        You can find examples of the different collections on the menu.
       </Text>
     </View>
   );
 }
+
+const styles = StyleSheet.create({
+  title: {
+    ...iOSUIKit.largeTitleEmphasizedObject,
+    marginBottom: 15
+  }
+});