Start adding currently-unused models

SabreTools.Models/SoftwareList/SoftwareList.cs

@@ -0,0 +1,21 @@
+using System.Xml;
+using System.Xml.Serialization;
+
+namespace SabreTools.Models.SoftwareList
+{
+    [XmlRoot("softwarelist")]
+    public class SoftwareList
+    {
+        [XmlAttribute("name")]
+        public string Name { get; set; }
+
+        [XmlAttribute("description")]
+        public string? Description { get; set; }
+
+        [XmlElement("notes")]
+        public string? Notes { get; set; }
+
+        [XmlElement("software")]
+        public Software[] Software { get; set; }
+    }
+}