test_carousel

A custom carousel:

• ui same as this: https://stackoverflow.com/questions/71399724/how-to-implement-a-circular-carousel-style-in-flutter?noredirect=1#comment136239146_71399724
• solution based on this: https://stackoverflow.com/questions/61416154/3d-carousel-animation-in-flutter?rq=4

Credit to @roipeker: https://stackoverflow.com/users/8960871/roipeker