[#34] mathjax library 변경

Author: zoomkoding

gatsby-browser.js

@@ -4,3 +4,4 @@ import './src/styles/_colors.scss';
 import './src/styles/_global-style.scss';
 import './src/styles/_markdown-style.scss';
 import 'prismjs/themes/prism-tomorrow.css';
+import 'gatsby-remark-mathjax-ssr/mathjax.css';

gatsby-config.js

@@ -126,7 +126,7 @@ module.exports = {
           `gatsby-remark-autolink-headers`,
           `gatsby-remark-copy-linked-files`,
           `gatsby-remark-smartypants`,
-          `gatsby-remark-mathjax`,
+          `gatsby-remark-mathjax-ssr`,
         ],
       },
     },