Added resources for Rollup (#1130)

* Added resources for Rollup

* Update content/roadmaps/100-frontend/content/110-build-tools/101-module-bundlers/102-rollup.md

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

content/roadmaps/100-frontend/content/110-build-tools/101-module-bundlers/102-rollup.md

@@ -1 +1,8 @@
-# Rollup
+# Rollup
+
+Rollup is a module bundler for JavaScript which compiles small pieces of code into something larger and more complex, such as a library or application.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://rollupjs.org/'>Official Website and Docs</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=ICYLOZuFMz8'>How to Set Up JavaScript Bundling Using Rollup</BadgeLink>