Update map.rst.inc

Author: GuGuss

cookbook/map.rst.inc

@@ -54,6 +54,7 @@
   * :doc:`/cookbook/deployment/tools`
   * :doc:`/cookbook/deployment/azure-website`
   * :doc:`/cookbook/deployment/heroku`
+  * :doc:`/cookbook/deployment/platformsh`
 
 * :doc:`/cookbook/doctrine/index`