add 3D example of cutting of vtk meshes #17

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: CutCells CI

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	permissions:
	contents: read

	jobs:
	build:
	name: Build using C++ and Python parts separately and run tests
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.12
	uses: actions/setup-python@v5
	with:
	python-version: "3.12"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Install CutCells C++ library
	run: \|
	cd cpp
	cmake -DCMAKE_BUILD_TYPE=Release -B build-dir -S . # Use make (not ninja)
	cmake --build build-dir
	sudo cmake --install build-dir
	- name: Install CutCells Python wrapper
	run: \|
	cd python
	pip install .[test]
	- name: Test with pytest
	run: \|
	cd python
	pytest tests

Provide feedback