Add Executable Plugin Loader

Wox/PluginLoader/ExecutablePluginLoader.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Wox.Plugin;
+
+namespace Wox.PluginLoader
+{
+    public class ExecutablePluginLoader : BasePluginLoader
+    {
+        public override List<PluginPair> LoadPlugin()
+        {
+            List<PluginPair> plugins = new List<PluginPair>();
+            List<PluginMetadata> metadatas = pluginMetadatas.Where(o => o.Language.ToUpper() == AllowedLanguage.ExecutableFile.ToUpper()).ToList();
+            foreach (PluginMetadata metadata in metadatas)
+            {
+                ExecutablePluginWrapper executer = new ExecutablePluginWrapper();
+                PluginPair pair = new PluginPair()
+                {
+                    Plugin = executer,
+                    Metadata = metadata
+                };
+                plugins.Add(pair);
+            }
+
+            return plugins;
+        }
+    }
+}