Refactor (#94)

CliFx.Benchmarks/Benchmarks.Cocona.cs

@@ -0,0 +1,24 @@
+using BenchmarkDotNet.Attributes;
+using Cocona;
+
+namespace CliFx.Benchmarks
+{
+    public partial class Benchmarks
+    {
+        public class CoconaCommand
+        {
+            public void Execute(
+                [Option("str", new []{'s'})]
+                string? strOption,
+                [Option("int", new []{'i'})]
+                int intOption,
+                [Option("bool", new []{'b'})]
+                bool boolOption)
+            {
+            }
+        }
+
+        [Benchmark(Description = "Cocona")]
+        public void ExecuteWithCocona() => CoconaApp.Run<CoconaCommand>(Arguments);
+    }
+}