Add "ZoneSubscriptions" extensions

Extensions/Cloudflare.Zones/Requests/CreateZoneSubscriptionRequest.cs

@@ -0,0 +1,32 @@
+namespace AMWD.Net.Api.Cloudflare.Zones
+{
+	/// <summary>
+	/// Represents a request to create a zone subscription.
+	/// </summary>
+	public class CreateZoneSubscriptionRequest
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="CreateZoneSubscriptionRequest"/> class.
+		/// </summary>
+		/// <param name="zoneId">The zone identifier.</param>
+		public CreateZoneSubscriptionRequest(string zoneId)
+		{
+			ZoneId = zoneId;
+		}
+
+		/// <summary>
+		/// The zone identifier.
+		/// </summary>
+		public string ZoneId { get; set; }
+
+		/// <summary>
+		/// How often the subscription is renewed automatically.
+		/// </summary>
+		public RenewFrequency? Frequency { get; set; }
+
+		/// <summary>
+		/// The rate plan applied to the subscription.
+		/// </summary>
+		public RatePlan? RatePlan { get; set; }
+	}
+}