add sub git and git-tools

next.config.js

@@ -0,0 +1,11 @@
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  reactStrictMode: true, // Recommended for the `pages` directory, default in `app`.
+  swcMinify: true,
+  experimental: {
+    // Required:
+    appDir: true,
+  },
+};
+
+module.exports = nextConfig;