chore(devops): add generic devcontainer #36

	name: PR Watcher

	on:
	pull_request:
	types: [opened, synchronize]

	permissions:
	contents: read
	pull-requests: write

	jobs:
	check-pr-size:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/github-script@v7
	env:
	MAX_PR_SIZE: 500
	with:
	script: \|
	const MAX_PR_SIZE = parseInt(process.env.MAX_PR_SIZE);
	const pr = context.payload.pull_request;
	const exludeExtensions = ['.yaml', '.yml', '.json', '.md', '.txt'];

	const changedFiles = await github.rest.pulls.listFiles({
	owner: context.repo.owner,
	repo: context.repo.repo,
	pull_number: pr.number
	});

	const excludedFiles = changedFiles.data.filter(file => {
	return exludeExtensions.some(ext => file.filename.endsWith(ext));
	});

	const totalAdditions = changedFiles.data.reduce((acc, file) => {
	if (!excludedFiles.includes(file)) {
	return acc + file.additions;
	}
	return acc;
	}, 0);

	core.notice(`Total additions: ${totalAdditions}`);

	if (totalAdditions > MAX_PR_SIZE) {
	github.rest.issues.createComment({
	issue_number: pr.number,
	owner: context.repo.owner,
	repo: context.repo.repo,
	body: `:x: PR size is too large. Please keep PR size under ${MAX_PR_SIZE} additions.`
	});
	core.setFailed(`PR size is too large. Please keep PR size under ${MAX_PR_SIZE} additions.`);
	} else { core.notice(`PR size is within limits.`); }

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