[CHANGE] Reworked db with interceptors

Manager.Data/Entities/Audit/AuditableAttribute.cs

@@ -0,0 +1,9 @@
+namespace Manager.Data.Entities.Audit;
+
+/// <summary>
+/// Make all properties in the entity audible, if they are changed this will be stored as a history in the db.
+/// </summary>
+[AttributeUsage(AttributeTargets.Class)]
+public class AuditableAttribute : Attribute
+{
+}