Merge pull request #63 from ChristopherRWilson/Features/Issue-62---Im…

…plementing-entire-Image-sitemap-schema

#62 - Add support for remainder of Image Sitemap schema

src/X.Web.Sitemap/Url.cs

@@ -1,17 +1,36 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Xml.Serialization;
 using JetBrains.Annotations;
 
 namespace X.Web.Sitemap;
 
 [PublicAPI]
 [Serializable]
+[Description("Encloses all information about a single image. Each URL (<loc> tag) can include up to 1,000 <image:image> tags.")]
 [XmlRoot(ElementName = "image", Namespace = "http://www.google.com/schemas/sitemap-image/1.1")]
 public class Image
 {
+    [Description("The URL of the image.")]
     [XmlElement(ElementName = "loc", Namespace = "http://www.google.com/schemas/sitemap-image/1.1")]
     public string Location { get; set; } = "";
+
+    [Description("The caption of the image.")]
+    [XmlElement(ElementName = "caption", Namespace = "http://www.google.com/schemas/sitemap-image/1.1")]
+    public string? Caption { get; set; }
+
+    [Description("The geographic location of the image. For example, \"Limerick, Ireland\".")]
+    [XmlElement(ElementName = "geo_location", Namespace = "http://www.google.com/schemas/sitemap-image/1.1")]
+    public string? GeographicLocation { get; set; }
+
+    [Description("The title of the image.")]
+    [XmlElement(ElementName = "title", Namespace = "http://www.google.com/schemas/sitemap-image/1.1")]
+    public string? Title { get; set; }
+
+    [Description("A URL to the license of the image.")]
+    [XmlElement(ElementName = "license", Namespace = "http://www.google.com/schemas/sitemap-image/1.1")]
+    public string? License { get; set; }
 }
 
 [PublicAPI]
@@ -22,15 +41,15 @@ public class Url
 {
     [XmlElement("loc")]
     public string Location { get; set; }
-    
+
     [XmlElement(ElementName = "image", Namespace = "http://www.google.com/schemas/sitemap-image/1.1")]
     public List<Image> Images { get; set; }
 
     [XmlIgnore]
     public DateTime TimeStamp { get; set; }
 
     /// <summary>
-    /// Please do not use this property to change last modification date. 
+    /// Please do not use this property to change last modification date.
     /// Use TimeStamp instead.
     /// </summary>
     [XmlElement("lastmod")]