fixes and tweaks

Lutra/Lutra.Domain/Entities/VerspakketFoto.cs

@@ -0,0 +1,12 @@
+namespace Lutra.Domain.Entities;
+
+public class VerspakketFoto : BaseEntity
+{
+    public required byte[] Data { get; set; }
+
+    public required bool IsMainImage { get; set; }
+
+    public required Guid VerspakketId { get; set; }
+
+    public virtual Verspakket Verspakket { get; set; } = null!;
+}