message: feat: add config to github-markdown
diff: -@import url(https://fonts.googleapis.com/css?family=Roboto:300,400,500,700,900);
  +@import url('https://fonts.googleapis.com/css?family=Roboto:300,400,500,700,900');
  +
  +.markdown-body {
  + background: var(--white);
  + margin: 0 auto;
  + max-width: 980px;
  + min-width: 200px;
  + padding: var(--space) var(--space-lg);
  +}
  +
  +@media (max-width: 767px) {
  + .markdown-body {
  + padding: 15px;
  + }
  +}
  +
  +.logo {
  + margin: auto !important;
  + max-width: 655px;
  +}
  +
  +.badges {
  + text-align: center;
  +}
  .badges img {
  display: inline-block;
  