Make qrc2py.py portable & change folder name "resource" to avoid conflict with standard Python package

There exists a Python standard package named "resource" which PyInstaller on Linux will use instead of our custom folder for "resource.example_rc". As a result the packaged binary cannot run and will prompt the following

import resource.example_rc as rc
ModuleNotFoundError: No module named 'resource.example_rc'; 'resource' is not a package

Changing resource to resources avoids the issue. More PRs on the way to make the package able to deploy on Linux without manually re-compiling and replacing the binary.

I also changed qrc2py.py to make it runnable on Linux. Should also run on Mac OS but cannot test it cuz I don't use Mac

zhuzichu520 / PySide6-FluentUI-QML

Make qrc2py.py portable & change folder name "resource" to avoid conflict with standard Python package #25