feat:前端新增初版知识库管理页面

app/routes/dataset-manager.tsx

@@ -0,0 +1,20 @@
+import { Outlet } from "@remix-run/react";
+import type { MetaFunction } from "@remix-run/node";
+
+export const meta: MetaFunction = () => {
+    return [
+        { title: "知识库管理 - 智能审核系统" },
+        { name: "description", content: "Dify 知识库文档管理" },
+    ];
+};
+
+export const handle = {
+    breadcrumb: "知识库管理",
+};
+
+/**
+ * 知识库管理布局路由
+ */
+export default function DatasetManagerLayout() {
+    return <Outlet />;
+}