web/i18n/ru: add russian translation

Co-authored-by: wukko <me@wukko.me>
Co-authored-by: Damir Modyarov <otomir@yandex.ru>
Co-authored-by: 71d1k <71d1k@users.noreply.github.com>
Co-authored-by: Alexey Muravyev <teosverdi@users.noreply.github.com>
Co-authored-by: GreenMonster362905 <greenmonster362905@users.noreply.github.com>
Co-authored-by: Ilya <wileyfoxyx@users.noreply.github.com>
Co-authored-by: Kurt <kkhaustov@users.noreply.github.com>
Co-authored-by: Nikita <50026919+nubovik01@users.noreply.github.com>
Co-authored-by: Philipp <FoxFil@users.noreply.github.com>
Co-authored-by: Soroka <isorokai@users.noreply.github.com>
Co-authored-by: aksephi <aksephi@users.noreply.github.com>
Co-authored-by: azy61b <azy61b@users.noreply.github.com>
Co-authored-by: ilia-21 <ilia-21@users.noreply.github.com>
Co-authored-by: imput project translators <i18n@imput.net>
Co-authored-by: jj <log@riseup.net>
Co-authored-by: v1s7 <v1s7@users.noreply.github.com>