Changing the vt to use fetch

cmd/web/templates/terminal.page.gohtml

@@ -6,7 +6,7 @@ Virtual Terminal
 <h2 class="mt-3 text-center">Virtual Terminal</h2>
 <hr>
 <div class="alert alert-danger text-center d-none" id="card-messages"></div>
-<form action="/virtual-terminal-payment-succeeded"
+<form action=""
       method="post"
       name="charge_form"
       id="charge_form"
@@ -72,12 +72,26 @@ Virtual Terminal
            name="payment_currency"
            value="payment_currency">
 </form>
+<div class="row">
+    <div class="col-md-5 offset-md-3 d-none" id="receipt">
+        <h3 class="mt-3 text-center">Receipt</h3>
+        <hr>
+        <p>
+            <strong>Bank Return Code</strong>: <span id="bank-return-code"></span>
+        </p>
+        <p>
+            <a href="/virtual-terminal" class="btn btn-primary">
+                Charge another card
+            </a>
+        </p>
+    </div>
+</div>
 {{ end }}
 {{ define "js" }}
 <script src="https://js.stripe.com/v3/"></script>
 <script type="module">
     import {stripeInit, checkAuth} from "/static/js/common.js";
-    import {val} from "/static/js/stripe.js"
+    import {val} from "/static/js/terminal.js"
 
     checkAuth({{.API}});
     stripeInit('{{.StripePubKey}}');