Adds recipes to adjust various configurations of KeyCastr [finishes #66031656]

- Moves window to top right corner
- Only casts command keys combinations
- Don't show in app switcher (only show in menubar)
- Don't show preferences on launch
- Don't show first time launch window
Adds autocheck_updates recipe [#66031656]

Also replaces inclusion of the adjusted_window_placement recipe with
autocheck_updates in the default recipe because the window placement is not
working correctly at the momemnt.
Removes inclusion of only_in_menubar from the default recipe [#66031656]