Rename plugins to libs and update all file references

libs/vendor/directorytree/imapengine/src/ComparesFolders.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace DirectoryTree\ImapEngine;
+
+trait ComparesFolders
+{
+    /**
+     * Determine if two folders are the same.
+     */
+    protected function isSameFolder(FolderInterface $a, FolderInterface $b): bool
+    {
+        return $a->path() === $b->path()
+            && $a->mailbox()->config('host') === $b->mailbox()->config('host')
+            && $a->mailbox()->config('username') === $b->mailbox()->config('username');
+    }
+}