feat: add Node Banana Pro Waitlist link to welcome modal

Adds a text link with banana icon below the description in the welcome
modal left column, linking to https://nodebananapro.com.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/quickstart/QuickstartInitialView.tsx

@@ -32,6 +32,15 @@ export function QuickstartInitialView({
           </p>
 
           <div className="flex flex-col gap-2.5 mt-auto">
+            <a
+              href="https://nodebananapro.com"
+              target="_blank"
+              rel="noopener noreferrer"
+              className="flex items-center gap-2 text-sm text-neutral-400 hover:text-neutral-200 transition-colors"
+            >
+              <img src="/banana_icon.png" alt="" className="w-4 h-4" />
+              Node Banana Pro Waitlist
+            </a>
             <a
               href="https://node-banana-docs.vercel.app/"
               target="_blank"
@@ -140,6 +149,7 @@ export function QuickstartInitialView({
             description="Get Gemini to build it"
             badge="Beta"
           />
+
         </div>
       </div>
     </div>