Update README.md

Added reference to phpDocs for IDE to better understand variables

Author: dansleboby

README.md

@@ -94,9 +94,11 @@ $oClient->connect();
 $aMailboxes = $oClient->getFolders();
 
 //Loop through every Mailbox
+/** @var \Webklex\IMAP\Folder $oMailbox */
 foreach($aMailboxes as $oMailbox){
 
     //Get all Messages of the current Mailbox
+    /** @var \Webklex\IMAP\Message $oMessage */
     foreach($oMailbox->getMessages() as $oMessage){
         echo $oMessage->subject.'<br />';
         echo $oMessage->getHTMLBody(true);
@@ -170,4 +172,4 @@ The MIT License (MIT). Please see [License File](LICENSE.md) for more informatio
 [link-scrutinizer]: https://scrutinizer-ci.com/g/Webklex/laravel-imap/code-structure
 [link-code-quality]: https://scrutinizer-ci.com/g/Webklex/laravel-imap
 [link-downloads]: https://packagist.org/packages/Webklex/laravel-imap
-[link-author]: https://github.com/webklex
+[link-author]: https://github.com/webklex