feat: add recipe translation tool with AI translation and settings management

- Add Word document parsing and translation export
- Add database configuration management
- Add AI/LLM translation configuration
- Add translation vocabulary management
- Add export settings (colors, page orientation, headers)
- Separate database and AI configurations
- Add debounced search to prevent database overload

app/settings/export/page.tsx

@@ -0,0 +1,18 @@
+import {FileText} from "lucide-react";
+
+export default function ExportPage() {
+    return (
+        <div className="space-y-6">
+            <div>
+                <h2 className="text-lg font-semibold">导出设置</h2>
+                <p className="text-sm text-muted-foreground">配置导出 Word 文档的格式</p>
+            </div>
+            <div className="rounded-lg border bg-card p-8 text-center">
+                <FileText className="mx-auto h-12 w-12 text-muted-foreground"/>
+                <p className="mt-4 text-sm text-muted-foreground">
+                    导出设置功能开发中...
+                </p>
+            </div>
+        </div>
+    );
+}