Add note to README about the older versions available and their branc… #280

	## TODO: Add SYNK Token to Github Env Variables! I don't have permissions
	# name: Security

	# on: [push, pull_request]

	# jobs:
	# security:
	# runs-on: ubuntu-latest
	# steps:
	# - uses: actions/checkout@master
	# - name: Run Snyk to check for vulnerabilities
	# uses: snyk/actions/nodemaster
	# env:
	# SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
	# with:
	# args: --severity-threshold=high

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