Markdown, but it runs. Dynamic widgets for your README.
https://mdit.run/repo?repo=vibehat/mdit&theme=light&stats=stars,forks
<img src="https://mdit.run/repo?repo=vibehat/mdit&theme=light&stats=stars,forks" alt="mdit widget" />
<iframe src="https://mdit.run/repo?repo=vibehat/mdit&theme=light&stats=stars,forks" width="400" height="200" frameborder="0"></iframe>