Configure syntax highlighting

astro.config.ts

@@ -11,6 +11,9 @@ export default defineConfig({
     ],
     rehypePlugins: [
       [rehypeKatex, {output: 'mathml'}]
-    ]
+    ],
+    shikiConfig: {
+      theme: 'min-light'
+    }
   }
 });

src/pages/aoc/[...slug].astro

@@ -8,8 +8,8 @@ export async function getStaticPaths () {
 }
 
 const { entry } = Astro.props;
-const { Content } = await entry.render();
+const { Content, headings } = await entry.render();
 ---
-<Article frontmatter={entry.data}>
+<Article frontmatter={entry.data} headings={headings}>
   <Content />
 </Article>