added helper funtion to delete folders and files from folder #39

	name: ABC2 on Linux

	on: [push]

	jobs:
	build:
	runs-on: ubuntu-latest
	continue-on-error: true
	strategy:
	max-parallel: 5

	steps:
	- uses: actions/checkout@v4
	- name: setup-conda
	uses: s-weigand/setup-conda@v1
	with:
	update-conda: true
	python-version: '3.11'
	conda-channels: 'conda-forge'
	- name: Install dependencies
	run: \|
	conda install appdirs cartopy gdal matplotlib-base numpy psutil pyproj qt-material
	pip install PySide6
	sudo apt-get install -y libegl1
	pip install --no-deps .
	- name: Lint with flake8
	run: \|
	conda install flake8
	# stop the build if there are Python syntax errors or undefined names
	flake8 ./hyo2/abc2 --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 ./hyo2/abc2 --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	- name: Test with pytest
	run: \|
	pip install coveralls PyYAML pytest pytest-cov
	py.test --cov
	coverage report -m
	# disabled linux reports to avoid mixing with windows ones
	# coveralls

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