Add basePath to next config

next.config.ts

@@ -2,6 +2,7 @@ import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
   /* config options here */
+  basePath: "/3d-viewer",
 };
 
 export default nextConfig;

package.json

@@ -30,4 +30,4 @@
     "tailwindcss": "^4.0.11",
     "typescript": "^5"
   }
-}
+}