title: Odoo 13 CRM Kanban hide column to specific groups
body: <p>I'm developing a module to customize some CRM featured on Odoo 13 ED, currently the stage is:</p>
  <ul>
  <li>COLUMN 1</li>
  <li>COLUMN 2</li>
  <li>COLUMN 3</li>
  <li>COLUMN 4</li>
  </ul>
  <p>I have created 2 user role:</p>
  <ul>
  <li>ROLE 1</li>
  <li>ROLE 2</li>
  </ul>
  <p>I want to display only COLUMN1-COLUMN2 if user is ROLE1, and COLUMN3-COLUMN4 if user ROLE2</p>
  <p>how can i do that? thanks</p>