feat: demo patches
* disclaimer at top
* build script
* umami for usage data
fix: verify users existence in IsAuthenticated
fix: better example compose
feat: oidc option for issuer trailing slash
fix: update tag check in ci again
feat: maybe possibly only build on tags?
docs: update example docker-compose
feat: show version number in settings
docs: update todos in readme
feat: tixe-input css class
fix: abort if not logged in...
fix: comments in TagsDelete
docs: relicense to AGPL 3.0, update name to lowercase
fix: make placeholder lighter in tag input