Added vendor/ directory for Composer's installed files

vendor/illuminate/contracts/Routing/Middleware.php

@@ -0,0 +1,16 @@
+<?php namespace Illuminate\Contracts\Routing;
+
+use Closure;
+
+interface Middleware {
+
+	/**
+	 * Handle an incoming request.
+	 *
+	 * @param  \Illuminate\Http\Request  $request
+	 * @param  \Closure  $next
+	 * @return mixed
+	 */
+	public function handle($request, Closure $next);
+
+}