Web Api layout

shared/InkForge.Data/Infrastructure/Entities.cs

@@ -0,0 +1,25 @@
+using System.Numerics;
+
+namespace InkForge.Data
+{
+	public abstract class ValueEntity<TEntity>
+	{
+		public TEntity Value { get; set; } = default!;
+	}
+
+	public abstract class Entity<TEntity, TKey>
+		: ValueEntity<TEntity>
+		where TKey : struct, INumber<TKey>
+	{
+		public TKey? Id { get; set; }
+	}
+
+	public abstract class VersionedEntity<TEntity, TKey>
+		: ValueEntity<TEntity>
+		where TKey : struct, INumber<TKey>
+	{
+		public TKey Id { get; set; }
+
+		public int? Version { get; set; }
+	}
+}