Pygcodedecode

Fixes
- import of `importlib.resources` (1)

Miscellaneous
- dropping Python 3.8

**Full Changelog**: https://github.com/FAST-LB/pyGCodeDecode/compare/0.2.0...0.2.1

Features
- create screenshots and VTK exports of 3D-plots
- reuse meshes for additional 3D-plots

Improvements
- speed up by only refreshing progress bars when necessary
- showing a progress bar during Block correction

Fixes
- checking all points in `extrusion_extent()`

**Full Changelog**: https://github.com/FAST-LB/pyGCodeDecode/compare/0.1.1...0.2.0

Fixes

- adding default printer presets to the dists, so the examples can run unmodified without cloning the repo

The first public release of pyGCodeDecode to go along with the submission to the Journal of Open Source Software! 🚀🥳