Handle a "width" property to key structs in the JSON files, and use that (so far) to give the right width to space keys in layouts. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2278>
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2278>
These have been created with the script at git://repo.or.cz/cldr2json.git to translate the XML android keymaps at http://www.unicode.org/Public/cldr/latest/keyboards.zip into JSON, easier to parse from gnome-shell.