Create app mockups

[jeffrey-almanzar]

Based on the initial requirements stated in https://github.com/Jeffrey-A/inmpayolard/issues/1, create a mock-up of the whole app.

Make sure to include all the screens.

[jeffrey-almanzar]

Great Reference:

• https://codecanyon.net/item/real-estate-mobile-app-template-with-react-native/screenshots/26739825?index=3
• https://www.instamobile.io/app-templates/real-estate-app-template-react-native/