husita-hhp bundle exec jekyll serve memo plugins jekyll-feed jekyll-seo-tag リストの表記崩れ修正 参考 https://jekyllrb.com/docs/variables/ https://github.com/orderedlist https://github.com/pages-themes/minimal https://docs.github.com/ja/pages/setting-up-a-github-pages-site-with-jekyll/adding-a-theme-to-your-github-pages-site-using-jekyll