update spec doc to draft 8 #108

	name: Validate JSON Schemas

	on: push

	jobs:
	validate:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v3
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install jsonschema==3.2.0
	- name: Get JSON Schema schema
	run: \|
	curl -k -L http://json-schema.org/draft-07/schema# -o schema-draft-07.json
	- name: Validate peak annotation schema
	run: \|
	jsonschema \
	-i specification/peak-annotation-format/annotation-schema.json \
	schema-draft-07.json
	- name: Validate peak annotation examples
	run: \|
	jsonschema \
	-i specification/peak-annotation-format/annotation-example-1.json \
	-i specification/peak-annotation-format/annotation-example-2.json \
	-i specification/peak-annotation-format/annotation-example-3.json \
	specification/peak-annotation-format/annotation-schema.json

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