Add more languages

[pqvst]

Currently mainly English (and some Swedish) keywords are checked, like:
receipt, payment, invoice
faktura, kvitto
order

Feel free to suggest other languages (either here or by email):
hello@paperworks.io

[lchriqui]

Hi,

keywords in French : reçu, paiement, commande, facture

Thank you!!

[nelbu]

Hi! I find your app really helpful, so I want to collaborate to make it work in Spanish, so the main keywords are:
recibo, pago, factura, pedido

Thanks!

[pqvst]

Fixed. Pending release.