Fix the dropdown navemenu for categories to:
AC1: show the list of categries in the dropdown
AC:2: the list should be links to the category pages with the different posts shown
Use a custom context processor to define that the categories list should be available on all pages and setting the links to the templates in settings.py.
Fix the dropdown navemenu for categories to: AC1: show the list of categries in the dropdown AC:2: the list should be links to the category pages with the different posts shown