Adding a call to action for press inquiries

Simple mailto link, could be fancier with prepopulated email body template if that helps.

README.md

@@ -15,4 +15,7 @@ pinned: false
 </p>
 <p>
   If that sounds like something you should be doing, why don't you <strong><u><a href="https://apply.workable.com/huggingface/">join us</a></u></strong>!
+</p>
+<p>
+  For press enquiries, you can <strong><u><a href="mailto:press@huggingface.co">contact our team here</a></u></strong>.
 </p>