Implement --clear flag to delete subpages before uploading #128

	name: Lint and test
	on: [ push, pull_request ]
	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v3
	with:
	python-version: '3.x'
	- uses: pre-commit/[email protected]
	test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11" ]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -e .
	python -m pip install -r requirements-test.txt
	- name: Test with pytest
	run: \|
	python -m pytest

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