A repository of articles i’ve read that have being very helpful and eye opening for me and I believe are going to be for you too.
https://www.figma.com/file/KEW4rZdiKjAxqdgaDLX6e0/Design-Systems-Process-Cheatsheet?type=whiteboard&node-id=0%3A1&t=rEIB5x2OVywnW8uH-1
Exploring the key elements of effective Design Systems
Top Free Figma Plugins for Inclusive Design
Crafting Accessible Experiences: 10 Essential Figma Plugins for Inclusive Design
ARIA states and properties - Accessibility | MDN
The Future of Design Systems Is Accessible | Figma Blog
Behind the scenes of creating a new Web Accessibility Annotation Kit
Crafting Accessible Experiences: 10 Essential Figma Plugins for Inclusive Design