[ADD] slides gallery module

- Task: https://www.odoo.com/web?#id=9093&view_type=form&model=project.task
- Pad: https://pad.odoo.com/p/r.QlQTvBv6mCcMrK4B
can you replace with this
category_id, categoty_name = tuple(category.get('category_id', [False, _('Uncategorized')]))