Update ap-computer-science-exam-2026-2027.mdx

Author: sonnynomnom

blogs/2026/ap-computer-science-exam-2026-2027/ap-computer-science-exam-2026-2027.mdx

@@ -169,6 +169,25 @@ Explain [concept I don't understand] like I'm a beginner, with an analogy.
 
 Try it out in [https://codedex.io/lumi](https://codedex.io/lumi)! 🧚
 
+<div
+  style={{
+    display: "flex",
+    justifyContent: "center",
+    marginBottom: "1.2rem",
+    transform: "scale(.9)",
+  }}
+>
+  <a
+    href="https://www.codedex.io/lumi"
+    style={{ all: "unset" }}
+    target="_blank"
+    and
+    rel="noopener noreferrer"
+  >
+    <Button variant="yellow">Chat with Lumi</Button>
+  </a>
+</div>
+
 ---
 
 ## Resources