This PR makes it so that opening the nav used a hash in the browser's location. This way, we can program the 'back' action in the browser to close the nav. Haven't tested on mobile yet, might be a bit quirky. Co-authored-by: Steve Russo <steverusso@pm.me> Reviewed-on: #47 Reviewed-by: jeff <jeff@simplesystems.tech> Co-authored-by: steverusso <steverusso@protonmail.com> Co-committed-by: steverusso <steverusso@protonmail.com>