Update app.py

app.py

@@ -256,6 +256,8 @@ Enjoy,
 
 some sora-alpha-artists, [Jake Elwes](https://www.jakeelwes.com/), [Memo Akten](https://www.memo.tv/), [CROSSLUCID](https://crosslucid.zone/), [Maribeth Rauh](https://uk.linkedin.com/in/maribethrauh), [Joel Simon](https://www.joelsimon.net/), [Jake Hartnell](https://x.com/JakeHartnell), [Bea Ramos, Power Dada](https://x.com/powerdada), [aurèce vettier](https://www.aurecevettier.com/), [acfp](https://www.andreachiampo.com/), [Iannis Bardakos](http://www.johnbardakos.com/), [204 no-content | Cintia Aguiar Pinto & Dimitri De Jonghe](https://204.ai), [Emmanuelle Collet](https://www.linkedin.com/in/emmanuelle-collet), [XU Cheng](https://floating.pt/), [Operator](https://x.com/operator_______), [Katie Peyton Hofstadter](https://katiepeyton.com/)
 
+If this letter resonates with you add your signature [here](https://openletter.earth/dear-corporate-ai-overlords-90668a95).
+
 ''', elem_id="manifesto")
     with gr.Tab("Generate with Sora"):
         gr.Markdown("# Sora PR Puppets")