Introduction of the template FilesWithEditor

Seenginx.Models/ConfigFile.cs

@@ -16,5 +16,9 @@ namespace Seenginx.Models
 		public string[] Owners { get; set; }
 		public string Permissions { get; set; }
 		public bool CanBeDeleted { get; set; } = true;
+		public string IsVisible { get; set; } = string.Empty;
+
+		public void Hide() { IsVisible = "hide"; }
+		public void Unhide() { IsVisible = string.Empty; }
 	}
 }