Add note to refer to GH releases for changelogs going forwards

Add 'screenshot permission' to the accessibility prompt

Version 2.4.2 of Quicksilver, for full list of changes, see: https://…

…qsapp.com/changelog.php

Version 2.4.1 of Quicksilver, for full list of changes see: https://q…

…sapp.com/changelog.php

Version 2.4.0 of Quicksilver, for list of changes, see: https://qsapp…

….com/changelog.php

Version 2.3.0 of Quicksilver, for full list of changes, see: https://…

…qsapp.com/changelog.php

Version 2.2.3 of Quicksilver, for full list of changes, see: https://…

…qsapp.com/changelog.php

Version 2.2.2 of Quicksilver, for full list of changes, see: https://…

…qsapp.com/changelog.php

Version 2.2.1 of Quicksilver, for full list of changes, see: https://…

…qsapp.com/changelog.php