Improvement: follow up on pyqtdeploy tutorial

[achille-martin]

Hi,

To follow up on your great piece of work, I have created a Github repo to share up-to-date tutorials with pyqtdeploy 3.3.0 (and potentially later releases).

This is meant for people who started using pyqtdeploy 2.5.1 (as you describe), liked it, but never understood the intricacies of pyqtdeploy 3.3.0.

https://github.com/achille-martin/pyqt-crom