Add "ZoneSettings" extensions

Extensions/Cloudflare.Zones/Models/Settings/TLS1_3.cs

@@ -0,0 +1,51 @@
+using System.Runtime.Serialization;
+using Newtonsoft.Json.Converters;
+
+namespace AMWD.Net.Api.Cloudflare.Zones
+{
+	/// <summary>
+	/// Enables Crypto TLS 1.3 feature for a zone.
+	/// </summary>
+	public class TLS1_3 : ZoneSettingBase
+	{
+		/// <summary>
+		/// Enables Crypto TLS 1.3 feature for a zone.
+		/// </summary>
+		public TLS1_3()
+		{
+			Id = ZoneSettingId.TLS1_3;
+		}
+
+		/// <summary>
+		/// Current value of the zone setting.
+		/// </summary>
+		[JsonProperty("value")]
+		public TlsOption Value { get; set; }
+	}
+
+	/// <summary>
+	/// Available TLS options.
+	/// <see href="https://github.com/cloudflare/cloudflare-typescript/blob/v4.4.1/src/resources/zones/settings.ts#L1352">Source</see>
+	/// </summary>
+	[JsonConverter(typeof(StringEnumConverter))]
+	public enum TlsOption
+	{
+		/// <summary>
+		/// Off.
+		/// </summary>
+		[EnumMember(Value = "off")]
+		Off = 1,
+
+		/// <summary>
+		/// On.
+		/// </summary>
+		[EnumMember(Value = "on")]
+		On = 2,
+
+		/// <summary>
+		/// ZRT refers to <see href="https://blog.cloudflare.com/introducing-0-rtt/">Zero Round Trip Time Resumption (0-RTT)</see>.
+		/// </summary>
+		[EnumMember(Value = "zrt")]
+		ZeroRoundTrip = 3
+	}
+}