renamed backend-libs to vendor

composer.json

@@ -7,6 +7,6 @@
     "fightbulc/moment": "*"
   },
   "config": {
-    "vendor-dir": "src/backend-libs"
+    "vendor-dir": "src/vendor"
   }
 }

src/index.php

@@ -8,7 +8,7 @@ extension_loaded("imap") || die('ERROR: IMAP extension not loaded. Please see th
 
 
 # load php dependencies:
-require_once './backend-libs/autoload.php';
+require_once './vendor/autoload.php';
 require_once './config_helper.php';
 require_once './user.php';
 require_once './imap_client.php';