feat : theme switcher and high contrast themes (CXSPA-7604) #15394

	on:
	pull_request:
	types: [opened, synchronize]

	name: Add license header to files
	jobs:
	add_license_header:
	name: Add license header to files
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.ref }}
	token: ${{ secrets.GH_PR_TOKEN }}
	- uses: actions/setup-python@v5
	with:
	python-version: '3.9'
	- name: Download reuse tool
	run: pip3 install --user reuse
	- name: Setup git config
	run: \|
	git config user.name 'github-actions[bot]'
	git config user.email 'github-actions[bot]@users.noreply.github.com'
	- name: Adding license header to files
	run: ci-scripts/prepend-license.sh
	- name: push added headers
	run: \|
	git pull origin ${{ github.event.pull_request.head.ref }}

	if [ -z $(git status --porcelain) ];
	then
	echo "No files to commit"
	else
	git commit -am "Add license header"
	git push
	fi

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