* chore: upgrade react-router-dom to v6

* migrate Redirect to Navigate

* use Routes instead of Switch

* migrate useHistory to useNavigate

* use To type

* use element

* work around activeClassName

* fix typing for useParams

* deduplicate

* fix Navigate

* add e2e tests

* visit /swap directly
Co-authored-by: Vignesh Mohankumar <me@vig.xyz>