chore(website): add Arcjet sponsorship

website/docs/contributing.md

@@ -12,3 +12,15 @@ If you found bugs or just want to ask a question, feel free to open an issue or
 ### Donations
 
 If you find this project useful, please consider making a [donation](https://github.com/sponsors/TheEdoRan). This is absolutely not required, but is very much appreciated, since it will help to cover the time and resources required to maintain this project. Thank you!
+
+## Sponsors
+
+A big shout-out to all our [sponsors](https://github.com/sponsors/TheEdoRan)! You’re the driving force behind this library's growth, and we're truly grateful for your support. ❤️
+
+<a href="https://arcjet.com/?ref=next-safe-action" target="_blank">
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcSet="https://arcjet.com/logo/arcjet-dark-lockup-voyage-horizontal.svg" />
+    <img src="https://arcjet.com/logo/arcjet-light-lockup-voyage-horizontal.svg" alt="Arcjet Logo" height="128" width="auto" />
+  </picture>
+  <br />Arcjet
+</a>