Add docusaurus plugins for markdown math input

docusaurus.config.js

@@ -4,6 +4,9 @@
 const lightCodeTheme = require('prism-react-renderer/themes/github');
 const darkCodeTheme = require('prism-react-renderer/themes/dracula');
 
+const math = require('remark-math');
+const katex = require('rehype-katex');
+
 /** @type {import('@docusaurus/types').Config} */
 const config = {
     title: 'Mathematik, Informatik und Programmierung',
@@ -35,6 +38,8 @@ const config = {
                 // docs: false,
                 docs: {
                   sidebarPath: require.resolve('./sidebars.js'),
+                  remarkPlugins: [math],
+                  rehypePlugins: [katex],
                 //   // Please change this to your repo.
                 //   // Remove this to remove the "edit this page" links.
                 //   // editUrl:
@@ -150,6 +155,16 @@ const config = {
                 darkTheme: darkCodeTheme,
             },
         }),
+
+    stylesheets: [
+        {
+            href: 'https://cdn.jsdelivr.net/npm/katex@0.13.24/dist/katex.min.css',
+            type: 'text/css',
+            integrity:
+                'sha384-odtC+0UGzzFL/6PNoE8rX/SPcQDXBJ+uRepguP4QkPCm2LBxH3FA3y+fKSiJ+AmM',
+            crossorigin: 'anonymous',
+        },
+    ],
 };
 
 module.exports = config;