Added dependency package for kolla-ansible deploy

setuptools should be used as a base dependency package that deployment kolla-ansible.

Change-Id: I4737fcd157342b37a8304cadfb20e24fe585a8b4
Closes-Bug: #1776426

doc/source/user/quickstart.rst

@@ -65,7 +65,7 @@ Install dependencies
 
    .. code-block:: console
 
-      apt-get install python-dev libffi-dev gcc libssl-dev python-selinux
+      apt-get install python-dev libffi-dev gcc libssl-dev python-selinux python-setuptools
 
    .. end