Log Message:
textproc/ruby-rqrcode: add package version 2.0.0

RQRCode

RQRCode is a library for creating and rendering QR codes into various
formats.  It has a simple interface with all the standard QR code options.
It was adapted from the Javascript library by Kazuhiko Arase.

* QR code is trademarked by Denso Wave inc
* Minimum Ruby version is `>= 2.3`