refactor: use single yaml for flatpak build.
refactor: improve css
refactor: improve debug logging

- fix translation, init gettext.
- fix icon on windows.
- set version from meson project.

Dismiss failed toasts on success.

- store all toasts in an array, dismiss every other toast on successful decryption.
- bump version to 0.07

Transition to libadwaita About Window.

- bump flatpak platform to 43.
- bump version to 0.06

update README

bump version to 0.04