fix: update Next.js configuration for assetPrefix and distDir

crypto_clash_frontend/next.config.ts

@@ -2,6 +2,8 @@ import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
   basePath: "/crypto_clash",
+  assetPrefix: "/crypto_clash",
+  distDir: "/crypto_clash",
   output: "export",  // <=== enables static exports
   reactStrictMode: true,
 };