Add a warning if programs are missing

AsteroidOS / unofficial-watchfaces

Database of community-made watchfaces for AsteroidOS.

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Add a warning if programs are missing #118

Closed beroset closed 1 year ago

beroset commented 1 year ago

If the user tries to run the program with either a text or a gui menu but doesn't have a required program to run it, issue a clear error message instead of an unclear one.