Add meetup invite banner (#7049)

README.md

@@ -28,6 +28,19 @@
 
 # Triton Inference Server
 
+📣 **Triton Meetup at the NVIDIA Headquarters on April 30th 3:00 - 6:30 pm**
+
+We are excited to announce that we will be hosting our Triton user meetup at
+the NVIDIA Headquarters on April 30th 3:00 - 6:30 pm. Join us for this
+exclusive event where you will learn about the newest Triton features, get a
+glimpse into the roadmap, and connect with fellow users and the NVIDIA Triton
+engineering and product teams. Seating is limited and registration confirmation
+is required to attend - please register [here](https://lu.ma/tl06fqc1) to join
+the meetup. We can’t wait to welcome you and share what’s next for the Triton
+Inference Server.
+
+---
+
 [![License](https://img.shields.io/badge/License-BSD3-lightgrey.svg)](https://opensource.org/licenses/BSD-3-Clause)
 
 > [!WARNING]