(B) Add family members repo

Clinics.Backend/Domain/Repositories/IFamilyMembersRepository.cs

+using Domain.Entities.People.FamilyMembers;
+using Domain.Repositories.Base;
+
+namespace Domain.Repositories;
+
+public interface IFamilyMembersRepository : IRepository<FamilyMember>
+{
+}

Clinics.Backend/Persistence/Repositories/FamilyMembersRepository.cs

+using Domain.Entities.People.FamilyMembers;
+using Domain.Repositories;
+using Persistence.Context;
+using Persistence.Repositories.Base;
+
+namespace Persistence.Repositories;
+
+public class FamilyMembersRepository : Repositroy<FamilyMember>, IFamilyMembersRepository
+{
+    #region CTOR DI for context
+    public FamilyMembersRepository(ClinicsDbContext context) : base(context) {}
+    #endregion
+
+}