[Add] MasterData Services.

AMREZ.EOP.Contracts/DTOs/MasterData/District/DistrictListRequest.cs

@@ -0,0 +1,11 @@
+namespace AMREZ.EOP.Contracts.DTOs.MasterData.District;
+
+public sealed record DistrictListRequest(
+    int Page = 1,
+    int PageSize = 20,
+    string? Search = null, 
+    Guid? ProvinceId = default,
+    string? ProvinceCode = default,
+    bool IncludeInactive = false,
+    bool IncludeOverrides = true
+);

AMREZ.EOP.Contracts/DTOs/MasterData/District/DistrictResponse.cs

@@ -0,0 +1,17 @@
+namespace AMREZ.EOP.Contracts.DTOs.MasterData.District;
+
+public sealed record DistrictResponse(
+    Guid Id,
+    string Scope,
+    string Code,
+    string Name,
+    Dictionary<string, string>? NameI18n,
+    Guid? OverridesGlobalId,
+    bool IsActive,
+    bool IsSystem,
+    Dictionary<string, object>? Meta,
+    string DopaCode,
+    Guid ProvinceId,
+    string ProvinceName,
+    string ProvinceDopaCode
+);