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

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

@@ -0,0 +1,24 @@
+<?php
+
+namespace Illuminate\Contracts\Auth;
+
+interface SupportsBasicAuth
+{
+    /**
+     * Attempt to authenticate using HTTP Basic Auth.
+     *
+     * @param  string  $field
+     * @param  array  $extraConditions
+     * @return \Symfony\Component\HttpFoundation\Response|null
+     */
+    public function basic($field = 'email', $extraConditions = []);
+
+    /**
+     * Perform a stateless HTTP Basic login attempt.
+     *
+     * @param  string  $field
+     * @param  array  $extraConditions
+     * @return \Symfony\Component\HttpFoundation\Response|null
+     */
+    public function onceBasic($field = 'email', $extraConditions = []);
+}