Changed domains, configured links between VisaApplication and Applicant,created generic repository and repositories for domains

SchengenVisaApi/Infrastructure/Database/VisaApplications/Repositories/VisaApplicationsRepository.cs

@@ -0,0 +1,18 @@
+using Domains.VisaApplicationDomain;
+using Infrastructure.Database.Generic;
+using Microsoft.EntityFrameworkCore;
+
+namespace Infrastructure.Database.VisaApplications.Repositories
+{
+    public class VisaApplicationsRepository(IGenericReader reader, IGenericWriter writer, IUnitOfWork unitOfWork)
+        : GenericRepository<VisaApplication>(writer, unitOfWork), IVisaApplicationsRepository
+    {
+        protected override IQueryable<VisaApplication> LoadDomain()
+        {
+            return reader.GetAll<VisaApplication>()
+                .Include(a => a.DestinationCountry)
+                .Include(a => a.PastVisas)
+                .Include(a => a.PastVisits);
+        }
+    }
+}