add a warning on payment page for canceled user

app/dashboard/templates/dashboard/pricing.html

@@ -54,8 +54,17 @@
         </a>
       </div>
 
+      {% if current_user.is_cancel() %}
+      <div class="alert alert-primary" role="alert">
+        You have an active subscription until {{current_user.next_bill_date()}}. <br>
+        Please note that if you re-subscribe now, this will be a completely
+        new subscription and
+        your payment method will be charged <b>immediately</b>.
+      </div>
+      {% endif %}
+
       <div class="mb-3">
-        Please note that Paddle only supports bank card or PayPal. <br>
+        Paddle supported payment methods include bank cards (Mastercard, Visa, American Express, etc) or PayPal. <br>
         Send us an email at <a href="mailto:hi@simplelogin.io">hi@simplelogin.io</a> if you need other payment options
         (e.g. IBAN transfer).
       </div>