Add "ZoneSettings" extensions

Extensions/Cloudflare.Zones/Models/Settings/OrangeToOrange.cs

@@ -0,0 +1,23 @@
+namespace AMWD.Net.Api.Cloudflare.Zones
+{
+	/// <summary>
+	/// Orange to Orange (O2O) allows zones on Cloudflare to CNAME to other zones also
+	/// on Cloudflare.
+	/// </summary>
+	public class OrangeToOrange : ZoneSettingBase
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="OrangeToOrange"/> class.
+		/// </summary>
+		public OrangeToOrange()
+		{
+			Id = ZoneSettingId.OrangeToOrange;
+		}
+
+		/// <summary>
+		/// Current value of the zone setting.
+		/// </summary>
+		[JsonProperty("value")]
+		public OnOffState Value { get; set; }
+	}
+}