Add catalan (still in comments, because its incomplete [skip ci]
Add catalan (still in comments, because its incomplete [skip ci]

firefly-iii/firefly-iii,firefly-iii/firefly-iii,JC5/firefly-iii,firefly-iii/firefly-iii,JC5/firefly-iii,firefly-iii/firefly-iii