feat: Brand and impact pages #54

	name: Comment live URL on merged publish PR

	on:
	pull_request:
	types: [closed]
	branches: [main]

	jobs:
	post-live-url:
	if: github.event.pull_request.merged == true && startsWith(github.event.pull_request.head.ref, 'publish/issue-')
	runs-on: ubuntu-latest
	permissions:
	pull-requests: write
	steps:
	- name: Find content file and build live URL
	id: detect
	uses: actions/github-script@v7
	with:
	script: \|
	const { data: files } = await github.rest.pulls.listFiles({
	...context.repo,
	pull_number: context.payload.pull_request.number,
	});

	const contentFile = files.find(f =>
	/^src\/content\/(apps\|mechanisms\|research\|case-studies\|campaigns)\/.+\.md$/.test(f.filename)
	);

	if (!contentFile) return;

	const [, type, slug] = contentFile.filename.match(
	/^src\/content\/(apps\|mechanisms\|research\|case-studies\|campaigns)\/(.+)\.md$/
	);

	core.setOutput('url', `https://gitcoin.co/${type}/${slug}`);

	- name: Comment on PR and issue
	if: steps.detect.outputs.url
	uses: actions/github-script@v7
	with:
	script: \|
	const url = '${{ steps.detect.outputs.url }}';
	const body = `Live at: ${url}`;

	// Comment on the PR
	await github.rest.issues.createComment({
	...context.repo,
	issue_number: context.payload.pull_request.number,
	body,
	});

	// Comment on the original issue (encoded in the branch name)
	const branch = context.payload.pull_request.head.ref;
	const issueMatch = branch.match(/publish\/issue-(\d+)/);
	if (issueMatch) {
	await github.rest.issues.createComment({
	...context.repo,
	issue_number: parseInt(issueMatch[1]),
	body,
	});
	}

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