extensions/extension-editing/src/extensionLinter.ts/ExtensionLinter/queueReadme
class ExtensionLinter:	private queueReadme(document: TextDocument) {
		const p = document.uri.path;
		if (document.languageId === 'markdown' && (p.toLowerCase().endsWith('/readme.md') || p.toLowerCase().endsWith('/changelog.md'))) {
			this.readmeQ.add(document);
			this.startTimer();
		}
	}