feat: 商户类目数据库化并增加权限种子

src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantContractsQuery.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 查询商户合同。
+/// </summary>
+public sealed record GetMerchantContractsQuery(long MerchantId) : IRequest<IReadOnlyList<MerchantContractDto>>;