Update README with Last Update Timestamp #549

	name: Update README with Last Update Timestamp

	on:
	schedule:
	- cron: '0 * * * *'
	workflow_dispatch:

	jobs:
	update-readme:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Set current date and time
	id: datetime
	run: echo "CURRENT_DATE=$(date -u +"%Y-%m-%d %H:%M:%S UTC")" >> $GITHUB_ENV

	- name: Update README.md
	run: \|
	# Check if the line exists and replace it, otherwise add it
	if grep -q "Last updated:" README.md; then
	sed -i "s\|Last updated:.*\|Last updated: $CURRENT_DATE\|" README.md
	else
	echo -e "\nLast updated: $CURRENT_DATE" >> README.md
	fi

	- name: Commit changes
	run: \|
	git config user.name "GitHub Action"
	git config user.email "[email protected]"
	git add README.md
	git commit -m "Update README with last update timestamp"
	git push

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