change admonition from note to circle-info

Author: DininduSenanayake

docs/5.from_git_to_github.md

@@ -25,7 +25,7 @@ Think of Git as your personal lab notebook, and GitHub as a shared lab server wh
 
 GitHub is a **hosting platform** for Git repositories with powerful collaboration features built on top.
 
-!!! note "Git ≠ GitHub"
+!!! circle-info "Git ≠ GitHub"
     - **Git**: Version control system (the tool)
     - **GitHub**: Web-based hosting service (the platform)
     - Alternatives exist: GitLab, Bitbucket, but GitHub is the most popular in research