Add a number of items and minor edits #105

	name: Validate JSONC

	on: [push, pull_request]

	jobs:
	validate-jsonc:
	runs-on: ubuntu-latest
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Setup Node.js
	uses: actions/setup-node@v2

	- name: Install dependencies
	run: npm install jsonc-parser ajv

	- name: Validate JSONC files
	run: \|
	for file in *.jsonc; do
	echo "Validating $file"
	node validate-jsonc.js $file
	done

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