feat: 添加微信应用模块，支持微信支付及微信小程序对接（功能产品已上线验证）

Yi.Furion.Net6/Yi.Framework.Module/WeChat/Model/AccessTokenHttpModel.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Yi.Framework.Module.WeChat.Model
+{
+    public class AccessTokenResponse
+    {
+        public string access_token { get;  set; }
+
+        public int expires_in { get; set; }
+    }
+
+    public class AccessTokenRequest
+    {
+        public string grant_type { get; set; }
+        public string appid { get; set; }
+        public string secret { get; set; }
+    }
+}