Resources added for static site generators (#1087)

* Resources added for static site generators

* Update readme.md

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

content/roadmaps/100-frontend/content/120-static-site-generators/readme.md

@@ -1 +1,10 @@
-# Static site generators
+# Static Site Generators
+
+A static site generator is a tool that generates a full static HTML website based on raw data and a set of templates. Essentially, a static site generator automates the task of coding individual HTML pages and gets those pages ready to serve to users ahead of time. Because these HTML pages are pre-built, they can load very quickly in users' browsers.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.cloudflare.com/learning/performance/static-site-generator/'>What is a static site generator?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://nextjs.org/docs/advanced-features/static-html-export'>Next.js SSG</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.gatsbyjs.com/docs/glossary/static-site-generator/'>Gatsby SSG</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.smashingmagazine.com/2021/10/building-ssg-11ty-vite-jam-sandwich/'>SSG — An 11ty, Vite And JAM Sandwich
+</BadgeLink>