Add 3.0-RC2 schemas (#100) #66

	name: Validate JSON Schema files
	on: [push]
	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Setup python
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'
	- name: Install jsonschema
	run: pip install jsonschema==3.2.0
	- run: \|
	for i in */.json; do
	echo "Validating $i"
	jsonschema $i
	done

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