feat: 为files添加了静态文件服务器管理

AicsKnowledgeBase_file/Program.cs

@@ -2,6 +2,7 @@ using System.Text.Json;
 using AicsKnowledgeBase_file.Handlers;
 using AicsKnowledgeBase_file.Models;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
+using Microsoft.Extensions.FileProviders;
 
 Directory.CreateDirectory("./files");
 
@@ -41,6 +42,11 @@ if (app.Environment.IsDevelopment()) {
 
 app.MapGet("/hello", () => "hello");
 
+app.UseStaticFiles(new StaticFileOptions {
+    FileProvider = new PhysicalFileProvider(Path.Combine(builder.Environment.ContentRootPath, "files")),
+    RequestPath = "/static"
+});
+
 app.UseHttpsRedirection();
 
 app.MapControllers();