implement keyboard with arabic & syriac letters

• ask Nils about his keyboard evaluation
• take a look at The Syriac Gazetteer https://syriaca.org/geo/search.html?q=

syriac font: serto jerusalem https://www.textgridrep.de/browse/3qtm0.0

you can find all ahikar fonts here: https://www.textgridrep.de/search?filter=project.value%3aAhikar