Документирование и небольшой рефакторинг модели.

Pf2eModel/Model/Structure/Language.cs

@@ -1,17 +1,24 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Microsoft.EntityFrameworkCore;
 using Pf2eModel.Model.Base;
 using Pf2eModel.Model.Enum;
 
 namespace Pf2eModel.Model.Structure;
 
+/// <summary>
+/// Язык.
+/// </summary>
 [EntityOfType(EntityType.Language)]
 public class Language : IEntity
 {
+    /// <inheritdoc/>
     [Key]
-    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+    [DatabaseGenerated(DatabaseGeneratedOption.None)]
     [Column(Order = 1)]
+    [Comment("Идентификатор")]
     public int Id { get; set; }
 
+    /// <inheritdoc/>
     public Entity Entity { get; set; } = null!;
 }