scripts: auto-generate list of schemas

Since the list of schemas is growing and we already have a directory, it
does not need to be updated manually. Make a script for it and check
that that's been

scripts: auto-generate list of schemas

Since the list of schemas is growing and we already have a directory, it
does not need to be updated manually. Make a script for it and check
that that's been done in CI.

Tested: Using 'meson install', check that schemas are installed like
before.
Script works and updates the files as expected.

Change-Id: Ia1b3d99890477c4077e8e3a52a5338805d810440
Signed-off-by: Alexander Hansen <alexander.hansen@9elements.com>

show more ...