title: How to add my custom menu to the portal users menu list?
body: <p>I have a menu named <code>Portal Form</code>. I want that menu to be visible for users with Portal group.</p>
  
  <p>So far I have created users and assigned portal them Portal group. I have also added access rights of my model for the portal group. Everything as suggested in the previous question similar to mine, I have done followed all the solutions.
  Yet my custom menu is not visible to Portal users.</p>
  
  <p>Can anybody tell me how is it achieved in <code>Odoo 11</code>?</p>