wiki: revert semantics and typed confirmations
wiki: the window binary opens whatever the arguments are
wiki: sync the v0.17.0 follow-ups
wiki: sync the group icons and setup switcher docs
wiki: sync from docs/wiki
wiki: sync the Intel macOS Fyne docs
wiki: sync the Fyne release docs
wiki: sync from docs/wiki Brings the wiki up to the repository source: the command reference and architecture pages, the portable schema (shell, cwd, env, timeout), the setup/init/doctor pages, and the Windows quoting notes.