Add a script for generating a png with the short-name (ignoring variants)
of all keymaps listed by "localectl list-keymaps" pre-generated.
This scripts also generates a ply-keymap-metadata.h file with info on
which pre-generated keymap name is where in the png.
This will be used in a follow-up commit to add support for a new
keyboard-keymap-icon control to libply-splash-graphics.
Note that this commit does not add the generated keymap-render.png file,
this file will be added to each themes image-dir separately as the color
of the pre-generated text may differ per theme.
Changes by Hans de Goede:
- Change generated metadata into a C header file
- Drop drawing of curved corners, we just want the text
- Add special handling for dvorak
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
