Add support for WPF controls in plugins and method parameters in plugin commands

Torch.API/Plugins/PluginAttribute.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Torch.API.Plugins
+{
+    public class PluginAttribute : Attribute
+    {
+        public string Name { get; }
+        public Version Version { get; }
+        public Guid Guid { get; }
+
+        public PluginAttribute(string name, string version, string guid)
+        {
+            Name = name;
+            Version = Version.Parse(version);
+            Guid = Guid.Parse(guid);
+        }
+    }
+}