Registration rework

+ InvitesRepository
+ AdminsRepository
+ rework jwt

Govor.Data/Configurations/UserConfiguration.cs

@@ -9,5 +9,9 @@ public class UserConfiguration : IEntityTypeConfiguration<User>
     public void Configure(EntityTypeBuilder<User> builder)
     {
         builder.HasKey(x => x.Id);
+
+        builder.HasOne(u => u.Invite)
+            .WithMany(i => i.Users)
+            .HasForeignKey(u => u.InviteId);
     }
 }