refactor: 支持设置多个WebApplicationBuilder和WebApplication配置函数

YaeBlog.Core/Builder/BlogApplicationBuilder.cs

@@ -1,4 +1,5 @@
 using Markdig;
+using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.Metrics;
@@ -13,6 +14,10 @@ public sealed class BlogApplicationBuilder : IHostApplicationBuilder
 {
     private readonly HostApplicationBuilder _hostApplicationBuilder;
 
+    internal List<Action<WebApplicationBuilder>> WebApplicationBuilderConfigurations { get; } = [];
+
+    internal List<Action<WebApplication>> WebApplicationConfigurations { get; } = [];
+
     public MarkdownPipelineBuilder MarkdigPipelineBuilder { get; }
 
     public DeserializerBuilder YamlDeserializerBuilder { get; }