improve GH actions #64

	name: Validate app
	on:
	push:
	branches: main
	pull_request:
	types: [opened, reopened, synchronize]

	jobs:
	main:
	runs-on: ubuntu-latest
	if: github.actor != 'dependabot[bot]'
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.event_name == 'pull_request' && github.head_ref \|\| github.ref }}
	- uses: actions/setup-node@v4
	with:
	node-version: 22
	registry-url: https://npm.pkg.github.com
	scope: '@olivierzal'
	cache: 'npm'
	- name: Lint & format code
	run: npm ci
	env:
	NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	- name: Build code & validate app
	uses: athombv/github-action-homey-app-validate@master
	with:
	level: publish
	- name: Commit & push
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Actions"
	git add -A
	if ! git diff --cached --exit-code; then
	git commit -m "Code maintenance: lint, format and build code"
	if [[ ${{ github.ref }} == "refs/heads/main" ]]; then
	echo ${{ secrets.GITHUB_TOKEN }} \| gh auth login --with-token
	BRANCH_NAME="maintenance-$(date +'%Y%m%d%H%M%S')"
	git checkout -b "$BRANCH_NAME"
	git push origin "$BRANCH_NAME"
	gh pr create --base main --head "$BRANCH_NAME" --title "Maintenance PR" --body "Automatic code maintenance: lint, format and build code."
	gh pr merge --auto --squash --delete-branch ${{ github.event.pull_request.html_url }}
	else
	git pull origin ${{ github.head_ref }} --rebase
	git push origin HEAD:${{ github.head_ref }}

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