Reorganize monorepo structure

* Move all config files to './configs'
* Simplify './scripts' folder.

packages/react-native-web-examples/pages/image-background/index.js

@@ -0,0 +1,33 @@
+import React from 'react';
+import { ImageBackground, StyleSheet, Text } from 'react-native';
+import Example from '../../shared/example';
+
+const source =
+  'https://images.unsplash.com/photo-1481595357459-84468f6eeaac?dpr=1&auto=format&fit=crop&w=376&h=251&q=60&cs=tinysrgb';
+
+export default function ImageBackgroundPage() {
+  return (
+    <Example title="ImageBackground">
+      <ImageBackground source={source} style={styles.image}>
+        <Text style={styles.text}>Child content</Text>
+      </ImageBackground>
+    </Example>
+  );
+}
+
+const styles = StyleSheet.create({
+  image: {
+    width: 300,
+    height: 200,
+    justifyContent: 'center',
+    alignItems: 'center',
+    marginTop: '1.5rem'
+  },
+  text: {
+    color: 'white',
+    fontWeight: 'bold',
+    fontSize: 18,
+    position: 'relative',
+    top: 50
+  }
+});