dp-1399: remove image, replace with placeholder (#418)

Author: dana-seqera

public/img/francesco.png

@@ -215,7 +215,7 @@ import Button from "@components/Button";
 
             <div class="profile-card rounded-xs overflow-hidden shadow-sm transition-all duration-300 hover:shadow-md">
               <div class="relative h-72">
-                <img src="img/francesco.png" alt="Francesco Strozzi" class="w-full h-full object-cover" />
+                <img src="img/placeholder.png" alt="Francesco Strozzi" class="w-full h-full object-cover" />
                 <div class="absolute inset-0 bg-gradient-to-t from-black via-black/20 to-transparent opacity-80"></div>
                 <div class="absolute bottom-0 left-0 p-4 text-white flex flex-col justify-end">
                   <h4 class="text-xl leading-tight">Francesco Strozzi</h4>