docs: exclude included libs from Dolibarr

Author: williamdes

.github/api-docs/doctum-php-Dolibarr.php

@@ -11,6 +11,7 @@
 $iterator = Finder::create()
     ->files()
     ->name('*.php')
+    ->exclude('htdocs/includes')
     ->path('htdocs')
     ->in($sourceRootDir);