Add generated example (#5)

- Add generated example (0bbb38f99075caeca37dab8b1de06f997a811128)

README.md

@@ -24,6 +24,9 @@ widget:
 - text: capybaracartoon, a capybara
   output:
     url: images/example_h0kxew2vb.png
+- text: a drawing of a capybaracartoon in the style of pop art.
+  output:
+    url: images/example_m9aua9tvj.png
 
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