Remove the vendor directory in .gitignore as these dependencies are needed for php-imap

plugins/php-imap/vendor/illuminate/contracts/Auth/Factory.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Illuminate\Contracts\Auth;
+
+interface Factory
+{
+    /**
+     * Get a guard instance by name.
+     *
+     * @param  string|null  $name
+     * @return \Illuminate\Contracts\Auth\Guard|\Illuminate\Contracts\Auth\StatefulGuard
+     */
+    public function guard($name = null);
+
+    /**
+     * Set the default guard the factory should serve.
+     *
+     * @param  string  $name
+     * @return void
+     */
+    public function shouldUse($name);
+}