Feat/2271 blacklisted banner #4129

	name: Lint
	on: pull_request
	jobs:
	extract:
	name: eslint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: set user
	run: \|
	git config --global user.name 'GitHub Actions'
	git config --global user.email 'actions@github.com'

	# use node module caching
	- uses: actions/cache@v2
	with:
	path: '**/node_modules'
	key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}

	- name: install packages
	run: yarn install --immutable

	- name: lint
	run: yarn lint

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