Change CI to GitHub actions

Use copier template from oca/oca-addons-repo-template

Target Python3.8

Apply linting

Fix a missing call to super

attachment_azure/controllers/main.py

@@ -1,11 +1,11 @@
 import logging
 import os
 
-from odoo.addons.web.controllers.main import Database
-from odoo import http
-from odoo import exceptions
+from odoo import exceptions, http
 from odoo.http import request
 
+from odoo.addons.web.controllers.main import Database
+
 _logger = logging.getLogger(__name__)