feat: 新增AI应用快捷配置列表接口

新增 AI 应用快捷配置查询能力，在 IChannelService 中定义获取快捷配置列表接口，并在 ChannelService 中实现对应接口，支持按排序号及创建时间获取快捷配置数据。

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Entities/Model/AiAppShortcutAggregateRoot.cs

@@ -0,0 +1,37 @@
+using SqlSugar;
+using Volo.Abp.Domain.Entities.Auditing;
+using Yi.Framework.Core.Data;
+
+namespace Yi.Framework.AiHub.Domain.Entities.Model;
+
+/// <summary>
+/// AI应用快捷配置表
+/// </summary>
+[SugarTable("Ai_App_Shortcut")]
+public class AiAppShortcutAggregateRoot : FullAuditedAggregateRoot<Guid>, IOrderNum
+{
+    /// <summary>
+    /// 应用名称
+    /// </summary>
+    public string Name { get; set; }
+
+    /// <summary>
+    /// 应用终结点
+    /// </summary>
+    public string Endpoint { get; set; }
+
+    /// <summary>
+    /// 额外url
+    /// </summary>
+    public string? ExtraUrl { get; set; }
+
+    /// <summary>
+    /// 应用key
+    /// </summary>
+    public string ApiKey { get; set; }
+
+    /// <summary>
+    /// 排序
+    /// </summary>
+    public int OrderNum { get; set; }
+}