Add Apache License #34

	##
	## Copyright (c) 2014-2023 Key4hep-Project.
	##
	## This file is part of k4FWCore.
	## See https://key4hep.github.io/key4hep-doc/ for further info.
	##
	## Licensed under the Apache License, Version 2.0 (the "License");
	## you may not use this file except in compliance with the License.
	## You may obtain a copy of the License at
	##
	## http://www.apache.org/licenses/LICENSE-2.0
	##
	## Unless required by applicable law or agreed to in writing, software
	## distributed under the License is distributed on an "AS IS" BASIS,
	## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	## See the License for the specific language governing permissions and
	## limitations under the License.
	##
	name: pre-commit

	on: [push, pull_request]

	jobs:
	pre-commit:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: cvmfs-contrib/github-action-cvmfs@v2
	- uses: aidasoft/run-lcg-view@v3
	with:
	release-platform: LCG_101/x86_64-centos7-clang12-opt
	run: \|
	export PYTHONPATH=$(python -m site --user-site):$PYTHONPATH
	export PATH=/root/.local/bin:$PATH
	pip install --upgrade --user pip
	pip install pre-commit --user
	# Use virtualenv from the LCG release
	pip uninstall --yes virtualenv
	pre-commit run --show-diff-on-failure \
	--color=always \
	--all-files

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