Split news section and move TTT to recent #2

	# from https://github.com/CliMA/ClimaTimeSteppers.jl
	name: Remove preview once PR is merged or closed

	on:
	pull_request:
	types: [closed]

	jobs:
	remove-preview-after-merge:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout gh-pages branch
	uses: actions/checkout@v4
	with:
	ref: gh-pages
	- name: Delete preview and history + push changes
	run: \|
	if [ -d "previews/PR${{ github.event.number }}" ]; then
	git config user.name "GH workflow"
	git config user.email "[email protected]"
	git rm -rf "previews/PR${{ github.event.number }}"
	git commit -m "delete preview"
	git branch gh-pages-new $(echo "delete history" \| git commit-tree HEAD^{tree})
	git push --force origin gh-pages-new:gh-pages
	fi

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