debug: update docs basePath

apps/docs/next.config.js

@@ -1,6 +1,9 @@
 const withNextra = require('nextra')({
   theme: 'nextra-theme-docs',
-  themeConfig: './theme.config.tsx',
-})
+  themeConfig: './theme.config.tsx'
+});
 
-module.exports = withNextra()
+module.exports = {
+  basePath: '/docs',
+  ...withNextra()
+};