Create HttpStatusCode extension class

Author: imclint21

src/Initium/Extensions/HttpStatusCodeExtensions.cs

@@ -0,0 +1,9 @@
+using System.Net;
+
+namespace Initium.Extensions;
+
+public static class HttpStatusCodeExtensions
+{
+	public static bool IsSuccess(this HttpStatusCode statusCode) => 
+		statusCode is >= HttpStatusCode.OK and < HttpStatusCode.MultipleChoices;
+}