Add vendor dir symlink for examples

examples/progress_advanced.php

@@ -27,4 +27,4 @@ $curl->progress(function($client, $download_size, $downloaded, $upload_size, $up
 $curl->complete(function($instance) {
     echo "\n" . 'download complete' . "\n";
 });
-$curl->download('https://php.net/distributions/manual/php_manual_en.html.gz', '/tmp/php_manual_en.html.gz');
+$curl->download('https://secure.php.net/distributions/manual/php_manual_en.html.gz', '/tmp/php_manual_en.html.gz');

examples/vendor

@@ -0,0 +1 @@
+../vendor