Fix lint errors

Author: ken-matsui

next.config.js

@@ -1,7 +1,7 @@
 /** @type {import('next').NextConfig} */
-const withNextra = require('nextra')({
-  theme: 'nextra-theme-docs',
-  themeConfig: './theme.config.jsx'
+const withNextra = require("nextra")({
+    theme: "nextra-theme-docs",
+    themeConfig: "./theme.config.jsx",
 });
 
 module.exports = withNextra();

theme.config.jsx

@@ -1,7 +1,7 @@
 export default {
-  logo: <span>My Nextra Documentation</span>,
-  project: {
-    link: 'https://github.com/poac-dev/poac'
-  }
-  // ... other theme options
-}
+    logo: <span>My Nextra Documentation</span>,
+    project: {
+        link: "https://github.com/poac-dev/poac",
+    },
+    // ... other theme options
+};