update page layout

next.config.mjs

@@ -1,11 +1,19 @@
 import nextra from 'nextra'
- 
+
 const withNextra = nextra({
-  theme: 'nextra-theme-blog',
-  themeConfig: './theme.config.jsx'
+  theme: 'nextra-theme-docs',
+  themeConfig: './theme.config.jsx',
+  latex: {
+    renderer: 'katex',
+    // options: {
+    //   macros: {
+    //     '\\RR': '\\mathbb{R}'
+    //   }
+    // }
+  }
 })
- 
+
 export default withNextra()
- 
+
 // If you have other Next.js configurations, you can pass them as the parameter:
 // export default withNextra({ /* other next.js config */ })