Resources added for Chai js (#1146)

* Resources added for Chai js

* Update content/roadmaps/100-frontend/content/115-testing-your-apps/106-chai.md

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

content/roadmaps/100-frontend/content/115-testing-your-apps/106-chai.md

@@ -1 +1,8 @@
-# Chai
+# Chai
+
+Chai is a BDD / TDD assertion library for node and the browser that can be delightfully paired with any javascript testing framework.
+
+<ResourceGroupTitle>Free Resources</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.chaijs.com/'>Official Website and Docs</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://www.chaijs.com/guide/'>Official Docs</BadgeLink>
+<BadgeLink colorScheme='purple' badgeText='Watch' href='https://www.youtube.com/watch?v=MLTRHc5dk6s'>Intro To JavaScript Unit Testing With Mocha JS & Chai</BadgeLink>