fix: 修复文件上传Swagger生成并加载中文注释

src/Api/TakeoutSaaS.AdminApi/Contracts/Requests/FileUploadFormRequest.cs

@@ -0,0 +1,20 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.AspNetCore.Http;
+
+namespace TakeoutSaaS.AdminApi.Contracts.Requests;
+
+/// <summary>
+/// 文件上传表单请求。
+/// </summary>
+public sealed record FileUploadFormRequest
+{
+    /// <summary>
+    /// 上传文件。
+    /// </summary>
+    [Required]
+    public required IFormFile File { get; init; }
+    /// <summary>
+    /// 上传类型。
+    /// </summary>
+    public string? Type { get; init; }
+}