feat: demo patches

* disclaimer at top
 * build script
 * umami for usage data

docs: relicense to AGPL 3.0, update name to lowercase

feat: tags link, username group width fix

feat: tab title, tailwind reformat, a todo

feat: some reworks and the first real interaction

* that interaction being the ability to change your display name

fix: bold display name

feat: eye candy profile name button to settings

feat: login and logout with oidc

feat: whole page padding

feat: initial commit