add res/pyglossary-256x256.png, use in README.md #92

	name: pypi-publish

	on:
	push:
	branches: ["master"]

	jobs:
	pypi-publish:
	name: Upload release to PyPI
	runs-on: ubuntu-latest
	# if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
	environment:
	name: pypi
	url: https://pypi.org/p/pyglossary
	permissions:
	id-token: write # IMPORTANT: this permission is mandatory for trusted publishing
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Create release
	id: create-release
	run: \|
	VERSION=$(./scripts/version-core)
	if pip index versions pyglossary --pre --ignore-requires-python \| grep "$VERSION," ; then
	echo "Package version $VERSION already exists on pypi"
	echo "skipnext=true" >> $GITHUB_OUTPUT
	exit 0
	fi
	sudo rm -rf dist/* build/* \|\| true
	python3 setup.py sdist bdist_wheel
	- name: Publish package distributions to PyPI
	if: ( steps.create-release.outputs.skipnext != 'true' )
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	skip-existing: true
	verbose: true
	password: ${{ secrets.PYPI_API_TOKEN }}

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