mkinvoice will generate a PDF invoice from a YAML-file

It is the by-result of learning the Golang language, but with the
purpose to generate PDF-Invoices for nbit Informatik GmbH

Font File can be generated with makefont

Payment Slip is generated using https://github.com/claudep/swiss-qr-bill

Installation / Upgrade
$ pip install --user qrbill -U

Usage (Example):
$ ./mkinvoice yaml/123456.yml

Joerg Lehmann, April 2020