docs: complete all English and Chinese documentation pages

Agent-Logs-Url: https://github.com/bytedance/deer-flow/sessions/a5f192e7-8034-4e46-af22-60b90ee27d40

Co-authored-by: foreleven <4785594+foreleven@users.noreply.github.com>

frontend/src/content/zh/application/_meta.ts

@@ -0,0 +1,27 @@
+import type { MetaRecord } from "nextra";
+
+const meta: MetaRecord = {
+  index: {
+    title: "概览",
+  },
+  "quick-start": {
+    title: "快速上手",
+  },
+  "deployment-guide": {
+    title: "部署指南",
+  },
+  configuration: {
+    title: "配置",
+  },
+  "workspace-usage": {
+    title: "工作区使用",
+  },
+  "agents-and-threads": {
+    title: "Agent 与线程",
+  },
+  "operations-and-troubleshooting": {
+    title: "运维与排障",
+  },
+};
+
+export default meta;