external triggering of SignRequest

src/routes/+page.svelte

@@ -1,5 +1,11 @@
 <script>
   import GoogleAuth from "$lib/GoogleAuth.svelte";
+  import { signRequest } from "$lib/stores.js";
+
+  function trigger() {
+    signRequest.set(true);
+  }
 </script>
 
 <GoogleAuth />
+<button on:click={trigger}>Sign Request</button>