add jest + react-testing library with example and docs guide #3017

	name: AUTO Visual Regression Test
	on:
	push:
	branches:
	- master
	- v7_maintenance
	pull_request:
	branches:
	- master
	- v7_maintenance
	jobs:
	chromatic_deployment:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- name: Install Node 16
	uses: actions/setup-node@v3
	with:
	node-version: '16'
	cache: 'yarn'
	- name: Install project dependencies
	run: yarn install --immutable
	- name: Bootstrap project
	run: yarn bootstrap
	- name: Build Storybook examples
	run: yarn build-storybook
	- name: Publish to Chromatic
	uses: chromaui/action@v1
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	projectToken: d8b52d7c3367 # We have to set this as a string so VRT can be run from forked branches as well.
	exitZeroOnChanges: true
	storybookBuildDir: ./packages/__examples__/__build__

Provide feedback