initial configuration with ui library and navigation

ComponentsConfig.js

@@ -0,0 +1,21 @@
+import { ThemeManager } from 'react-native-ui-lib';
+
+// with plain object
+ThemeManager.setComponentTheme('Card', {
+  borderRadius: 8,
+});
+
+// with a dynamic function
+ThemeManager.setComponentTheme('Button', (props, context) => {
+  // 'square' is not an original Button prop, but a custom prop that can
+  // be used to create different variations of buttons in your app
+  if (props.square) {
+    return {
+      borderRadius: 0,
+    };
+  }
+});
+
+ThemeManager.setComponentTheme('View', {
+  backgroundColor: '#e9f6f7',
+});