Rename plugins to libs and update all file references

libs/vendor/illuminate/contracts/Foundation/CachesRoutes.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Illuminate\Contracts\Foundation;
+
+interface CachesRoutes
+{
+    /**
+     * Determine if the application routes are cached.
+     *
+     * @return bool
+     */
+    public function routesAreCached();
+
+    /**
+     * Get the path to the routes cache file.
+     *
+     * @return string
+     */
+    public function getCachedRoutesPath();
+}