Fix user tests
Add swagger docs
Fix lint
Add totp check when logging in
Make totp enrollment work
Add migration for totp table
go mod vendor
Add routes for totp routes
Add route handler for totp routes
Add basic implementation to enroll a user in totp
Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/383
