Update sendspin-js SDK from 3.0.0 to 3.0.1 (#219)

https://claude.ai/code/session_012UozsnZUDyjjfQTJWadxV9

Co-authored-by: Claude <noreply@anthropic.com>

Author: balloob

sendspin/serve/web/app.js

@@ -644,7 +644,7 @@ elements.listenToggleBtn.addEventListener("click", async () => {
 });
 
 const sdkImport = import(
-  "https://unpkg.com/@sendspin/sendspin-js@3.0.0/dist/index.js?module",
+  "https://unpkg.com/@sendspin/sendspin-js@3.0.1/dist/index.js?module",
 );
 
 // QR Code generation (using qrcode-generator loaded via script tag)