only register handler for prod builds

src/index.tsx

@@ -4,12 +4,14 @@ import { App } from "./app";
 import { Providers } from "./providers";
 
 // register nostr: protocol handler
+if (import.meta.env.PROD) {
   try {
     navigator.registerProtocolHandler("web+nostr", new URL("/l/%s", location.origin).toString());
   } catch (e) {
     console.log("Failed to register handler");
     console.log(e);
   }
+}
 
 const element = document.getElementById("root");
 if (!element) throw new Error("missing mount point");