Rename plugins to libs and update all file references

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

@@ -0,0 +1,14 @@
+<?php
+
+namespace Illuminate\Contracts\Cache;
+
+interface Factory
+{
+    /**
+     * Get a cache store instance by name.
+     *
+     * @param  string|null  $name
+     * @return \Illuminate\Contracts\Cache\Repository
+     */
+    public function store($name = null);
+}