feat : add Image component with react-native-fast-image library

[FlorianGille]

Description

Fixes #6

Type of change

• [x] New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• [ ] Open Developer Menu (press d button in the yarn dev terminal)
• [ ] Open Storybook
• [ ] Go to Image component

Platforms tests:

• [x] Tested on Android
• [x] Tested on iOS

Screenshot of the result

Android

Checklist:

• [x] Add react-native-fast-image library
• [x] Add Image component to allow us to use images with native base (without cache) or with react-native-fast-image (with cache)
• [x] Add the compatibility of new Image component to use Native Base props (example : mt={10}) with Native Base Factory component