refactor(dal): заготовка для TemplateHistory

PARR.DAL/Models/Template.cs

@@ -7,7 +7,7 @@ namespace PARR.DAL.Models
 {
     [Table("Templates")]
     [Index(nameof(Name), IsUnique = true)]
-    public class Template : IBase
+    public class Template : IBase, ITemplateBase
     {
         [Key]
         public Guid Id { get; set; }
@@ -62,5 +62,6 @@ namespace PARR.DAL.Models
 
         public ICollection<Order> Orders { get; set; } = new HashSet<Order>();
 
+        //public ICollection<TemplateHistory> TemplateHistories { get; set; } = new HashSet<TemplateHistory>();
     }
 }