Fix: use force push for demo simplicity

Author: melvincarvalho

demo.html

@@ -646,7 +646,8 @@ <h3>${titleCased}</h3>
           http,
           dir,
           url: REPO,
-          ref: 'main'
+          ref: 'main',
+          force: true  // Force push since we may be editing on stale state
         });
 
         showSaving('Publishing to Nostr...');