Add executable directory path

Wox.Infrastructure/WoxDirectroy.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Wox.Infrastructure
+{
+    public static class WoxDirectroy
+    {
+        public static string Executable { get; internal set; }
+    }
+}