Add Antoine as a speaker.

Author: jeroenleenarts

public/images/speakers/2026/antoine.jpeg

@@ -4,6 +4,11 @@
       "name": "Raluca Bujor",
       "image": "/images/speakers/2026/raluca.webp"
     },
+    {
+      "name": "Antoine van der Lee",
+      "image": "/images/speakers/2026/antoine.jpeg",
+      "xHandle": "twannl"
+    },
     {
       "name": "Enter the CFP",
       "image": "/images/speakers/2026/placeholder-cfp.svg",