Add contributor section.

<img width="1197" height="1119" alt="Image" src="https://github.com/user-attachments/assets/754c411e-2c15-42c2-b07d-f8fd2f7f6f96" />

Let's steal this too! Let's just do the bluefin repo for repobeats, and only show bluefin for the chart since LTS countme is busted.

