ci: Add a github actions workflow for lint #3

	name: Check Code Formatting

	on: [push, pull_request]

	jobs:
	check-format:
	runs-on: ubuntu-latest
	env:
	# We need jq +1.7 because of jqlang/jq#1741.
	JQ_VERSION: '1.7'

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Replace jq with specified version
	run: \|
	wget -O jq "https://github.com/jqlang/jq/releases/download/jq-${{ env.JQ_VERSION }}/jq-linux-amd64"
	chmod +x ./jq
	JQ_PATH=$(which jq)
	sudo mv jq $JQ_PATH
	- name: Check jq version
	run: \|
	jq --version

	- name: Run make fmt
	run: make -C schema fmt

	- name: Check for changes
	run: \|
	if [[ -n $(git status --porcelain) ]]; then
	echo "There are unformatted files."
	exit 1
	else
	echo "All files are properly formatted."
	fi

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