“The effort required to build a design system is tiny compared to the effort required to maintain it.”
– Kyle Peatt
Magnus UI is an design system for react-native based on the atomic design principle. It helps developers and designers to build consistent components quickly in terms of UI and UX.
Before you dive into the framework, make sure you know about What a design system is, Why do we even need it and What is a atom design principle. Here is a good article on these questions - http://bradfrost.com/blog/post/atomic-web-design/