docs: add install-command lock file prerequisite (#1310) #1483

	name: check-dist
	#
	# cypress-io/github-action runs from the dist/ directory
	# This workflow ensures that the contents of this directory
	# are in sync with the source files by using
	# npm run build which in turn calls ncc build
	#
	on:
	push:
	branches:
	- 'master'
	pull_request:
	workflow_dispatch:

	jobs:
	check-dist:
	runs-on: ubuntu-24.04

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Setup Node
	uses: actions/setup-node@v4
	with:
	# Action runs: using: node20 as defined in
	# https://github.com/cypress-io/github-action/blob/master/action.yml
	# Node.js minor version is aligned to
	# https://github.com/actions/runner/blob/main/src/Misc/externals.sh
	node-version: 20.18.0
	- run: npm ci
	- run: npm run format
	- run: npm run build

	- name: Compare the expected and actual dist/ directories
	run: \|
	if [ "$(git diff --ignore-space-at-eol dist/ \| wc -l)" -gt "0" ]; then
	echo "Detected uncommitted changes after build. See status below:"
	git diff
	exit 1
	fi

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