Add GitLab content on backend roadmap (#991)

* Add Bootstrap CSS content

* Add Bulma CSS content

* Add Prettier content

* Add Vite content

* Add GitHub content

* Add GitHub content

* Add GitHub content

* Add GitLab content at backend roadmap

content/roadmaps/101-backend/content/105-repo-hosting-services/101-gitlab.md

@@ -1 +1,8 @@
-# Gitlab
+# GitLab
+
+GitLab is a provider of internet hosting for software development and version control using Git. It offers the distributed version control and source code management functionality of Git, plus its own features.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink badgeText='Official Website' colorScheme='blue' href='https://gitlab.com/'>GitLab Website</BadgeLink>
+<BadgeLink badgeText='Official Documentation' colorScheme='blue' href='https://docs.gitlab.com/'>GitLab Documentation</BadgeLink>