Add generated example

Generated example for model multimodalart/product-design.
Prompt: a kettle product designed by prdsgn

README.md

@@ -16,6 +16,9 @@ widget:
 - text: a coffee machine product designed by prdsgn
   output:
     url: images/example_ak738vz20.png
+- text: a kettle product designed by prdsgn
+  output:
+    url: images/example_vgv87rlfl.png
 
 ---