feat: add Link contract

Author: ArneD

src/Be.Vlaanderen.Basisregisters.GrAr.Legacy/Link.cs

@@ -0,0 +1,20 @@
+namespace Be.Vlaanderen.Basisregisters.GrAr.Legacy
+{
+    using System;
+    using System.Runtime.Serialization;
+    using Newtonsoft.Json;
+
+    /// <summary>
+    /// Link naar een gerelateerde resource.
+    /// </summary>
+    [DataContract(Name = "Identificator", Namespace = "")]
+    public class Link
+    {
+        /// <summary>
+        /// De absolute URL naar de gerelateerde resource.
+        /// </summary>
+        [DataMember(Name = "href", Order = 1)]
+        [JsonProperty(Required = Required.DisallowNull)]
+        public Uri Href { get; set; }
+    }
+}