Rename plugins to libs and update all file references

libs/vendor/illuminate/contracts/Queue/Factory.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Illuminate\Contracts\Queue;
+
+interface Factory
+{
+    /**
+     * Resolve a queue connection instance.
+     *
+     * @param  string|null  $name
+     * @return \Illuminate\Contracts\Queue\Queue
+     */
+    public function connection($name = null);
+}