Add native i3 desktop announcements

README.md

@@ -13,6 +13,7 @@ Cthulhu is a Linux screen reader written in Go.
 - [Flatpak foreground accessibility](docs/testing/flatpak-foreground.md): process identity and proxy matching, tests, and live acceptance.
 - [Background event filtering](docs/testing/background-events.md): early foreground checks, notification exceptions, and performance verification.
 - [Browser Find](docs/testing/browser-find.md): native Ctrl+F focus, typing, window ownership and verification.
+- [Native i3 announcements](docs/testing/i3-announcements.md): modes, workspaces, window states, urgency, marks, workspace moves, and live verification.
 - [MATE window switcher](docs/testing/window-switcher.md): Marco selection announcements, isolated checks, and live verification.
 - [MATE desktop](docs/testing/mate-desktop.md): Orca comparison, panel menus and icon labels, regression checks, and live verification.
 - [Qt control states](docs/testing/qt-control-states.md): menu checkability, native regressions, and the Qt 5 provider limitation.