fix: add basePath for GitHub Pages deployment

Author: MatrixCQY

next.config.ts

@@ -1,8 +1,11 @@
 import type { NextConfig } from "next";
 
+const isProd = process.env.NODE_ENV === 'production';
+
 const nextConfig: NextConfig = {
   /* config options here */
   output: "export",
+  basePath: isProd ? "/traeweb1" : "",
   images: {
     unoptimized: true,
   },