Add data-classification.md extension #1527

	name: verify
	on: [push, pull_request]
	jobs:
	verify:
	name: verify
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.10"
	cache: "pip"
	cache-dependency-path: "tools/requirements.txt"
	- name: Install tools dependencies
	run: python -m pip install -r tools/requirements.txt
	- name: Test Tools
	run: make -f tools/Makefile test_tools
	- name: Verify Specification
	run: make -f tools/Makefile verify

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