Fix the navigation to support 0-based week dates because of sorting bug
Fix the navigation to support 0-based week dates because of sorting bug

acgd-learn-the-web/www,acgd-learn-the-web/acgd-learn-the-web.github.io,acgd-learn-the-web/www,acgd-learn-the-web/acgd-learn-the-web.github.io,acgd-learn-the-web/www,acgd-learn-the-web/www,acgd-learn-the-web/www