gem install jekyll bundler

jekyll -v

bundler -v

jekyll new . –force

jekyll serve bundle exec jekyll serve

http://jekyllthemes.org

https://docs.github.com/ko/pages/setting-up-a-github-pages-site-with-jekyll/adding-content-to-your-github-pages-site-using-jekyll

https://jekyllrb.com/docs/themes/

https://jekyllthemes.io/theme/coderon-blog-jekyll-theme

https://jekyllthemes.io/free

https://mmistakes.github.io/minimal-mistakes/docs/installation/

https://jekyllrb.com/docs/