Jek: Jekyll Dev Server

Start bundle exec jekyll serve --livereload in the background.

Process

1. Check if port 4000 is already in use (lsof -ti:4000).
   • If occupied, report the PID and ask the user before killing it.
2. Run bundle exec jekyll serve --livereload in the background.
3. Report that the server is running at http://localhost:4000.