Adding a menu item and window actions
This can also be done using the web user interface, through the settings menu, but we prefer to use XML data files since this is what we'll have to use when creating our add-on modules.
In this recipe, we will need a module with a dependency on the
account module, as the account module adds new fields to the
res.partner model to differentiate between customer and supplier records. So, if you are using an existing module, please add the
account dependency in the manifest. Alternatively, you can grab the initial module from https://github.com/PacktPublishing/Odoo-14-Development-Cookbook-Fourth-Edition/tree/master/Chapter09/00_initial_module...