feat: 扩展领域模型与配置

src/Domain/TakeoutSaaS.Domain/Merchants/Enums/MerchantStatus.cs

@@ -0,0 +1,12 @@
+namespace TakeoutSaaS.Domain.Merchants.Enums;
+
+/// <summary>
+/// 商户入驻状态。
+/// </summary>
+public enum MerchantStatus
+{
+    Pending = 0,
+    Approved = 1,
+    Rejected = 2,
+    Frozen = 3
+}