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

SchengenVisaApi/Infrastructure/Database/Applicants/Configuration/PassportConfiguration.cs

@@ -0,0 +1,20 @@
+using Domains.ApplicantDomain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace Infrastructure.Database.Applicants.Configuration
+{
+    public class PassportConfiguration : IEntityTypeConfiguration<Passport>
+    {
+        public void Configure(EntityTypeBuilder<Passport> entity)
+        {
+            entity.Property(p => p.Number)
+                .IsUnicode(false)
+                .HasMaxLength(20);
+
+            entity.Property(p => p.Issuer)
+                .IsUnicode(false)
+                .HasMaxLength(200);
+        }
+    }
+}