message: allow readme/index.md for pages dir index
diff: @@ -29,7 +29,7 @@ const getMarkdownPaths = (cwd: string): Promise<string[]> =>
  export const toPage = async (path: string) => {
  return {
  - path: path.replace(PAGES_DIR, '/docs').replace(/\.md$/, ''),
  + path: path.replace(PAGES_DIR, '/docs').replace(/(\/(index|readme))\.md$/i, ''),
  github: await getGitHubData(path),
  ...renderMarkdown(await readMarkdown(path))
  };
  