Add project files.

AssetStudio/BuildType.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public class BuildType
+    {
+        private string buildType;
+
+        public BuildType(string type)
+        {
+            buildType = type;
+        }
+
+        public bool IsAlpha => buildType == "a";
+        public bool IsPatch => buildType == "p";
+    }
+}