Adds a shortcut to the shortcuts group.
This is the programmatic equivalent to using gtk.builder.Builder and a <child> tag to add the child. Adding children with other API is not appropriate as gtk.shortcuts_group.ShortcutsGroup manages its children internally.
the gtk.shortcuts_shortcut.ShortcutsShortcut to add
Adds a shortcut to the shortcuts group.
This is the programmatic equivalent to using gtk.builder.Builder and a <child> tag to add the child. Adding children with other API is not appropriate as gtk.shortcuts_group.ShortcutsGroup manages its children internally.