Add "ZoneSettings" extensions

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

@@ -0,0 +1,23 @@
+namespace AMWD.Net.Api.Cloudflare.Zones
+{
+	/// <summary>
+	/// TLS Client Auth requires Cloudflare to connect to your origin server using a
+	/// client certificate (Enterprise Only).
+	/// </summary>
+	public class TLSClientAuth : ZoneSettingBase
+	{
+		/// <summary>
+		/// Initialize a new instance of the <see cref="TLSClientAuth"/> class.
+		/// </summary>
+		public TLSClientAuth()
+		{
+			Id = ZoneSettingId.TLSClientAuth;
+		}
+
+		/// <summary>
+		/// Current value of the zone setting.
+		/// </summary>
+		[JsonProperty("value")]
+		public OnOffState Value { get; set; }
+	}
+}