need a 'return to top' arrow button on smaller screens

muti-language i18n support

light/dark theme

tests for tournois, testing the loading of map and table, then counting the markers

logo for navbar and favicon

hover on table needs fixing - this only seemed to happen once I moved the logic into its own hook

document my new hook

error handling

e2e tests for tournament page:
    - make sure number of markers = tournamentData.length

about page

contact page

SEO
