feat: 添加货币管理功能，更新国际化支持，移除报表相关代码

src/app/admin/(shell)/currencies/page.tsx

@@ -0,0 +1,15 @@
+import { ModuleScaffold } from "@/components/admin/module-scaffold";
+import { CurrencyManagementScreen } from "@/modules/settings/currency-management-screen";
+import type { Metadata } from "next";
+
+export const metadata: Metadata = {
+  title: "币种管理",
+};
+
+export default function AdminCurrenciesPage() {
+  return (
+    <ModuleScaffold>
+      <CurrencyManagementScreen />
+    </ModuleScaffold>
+  );
+}