feat: 添加配置模块和更新管理员导航，优化钱包控制台加载逻辑

src/app/admin/(shell)/config/layout.tsx

@@ -0,0 +1,14 @@
+import { ConfigSubNav } from "@/modules/config/config-subnav";
+
+export default function AdminConfigLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  return (
+    <div className="w-full max-w-none px-1">
+      <ConfigSubNav />
+      {children}
+    </div>
+  );
+}