Added official resource from W3C's Web Accessibility Initiative (#2229)

This page introduces some basic considerations to help you get started developing web content that is more accessible to people with disabilities. These tips are good practice to help you meet Web Content Accessibility Guidelines (WCAG) requirements. Follow the links to the related WCAG requirements, detailed background in the “Understanding” document, guidance from Tutorials, user stories, and more.

content/roadmaps/100-frontend/content/101-html/104-accessibility.md

@@ -2,6 +2,8 @@
 Web accessibility means that websites, tools, and technologies are designed and developed in such a way that people with disabilities can use them easily.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.w3.org/WAI/tips/developing/'>Developing for Web Accessibility by W3C WAI
+</BadgeLink>
 <BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.w3schools.com/accessibility/index.php'>Accessibility Tutorial
 </BadgeLink>
 <BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.smashingmagazine.com/2021/03/complete-guide-accessible-front-end-components/'>A Complete Guide To Accessible Front-End Components</BadgeLink>