Apple App-Site Association

See merge request !362

# Conflicts:
#   .env_example

Pipeline

See merge request !364

Guest list

See merge request !363

* basic webcredentials config for password managers

See https://developer.apple.com/documentation/xcode/supporting-associated-domains for ref

Note sheet

See merge request !361

Oauth2

See merge request !360

apps: add download links on login page

See merge request !358

* add appstore_badge_fr_preorder.svg static asset
* add playstore_badge_fr_preorder.svg static asset
* now displays preorder badges instead of download before 01 feb 2026 (estimated availability date)

* on iPhone, only AppStore badge displays
* on Android, only PlayStore badge displays
* on any other platform, both display

Small features

See merge request !359