add padding to Stripe onboarding template

Author: chrisjsimpson

src/flask_saas/blueprints/templates/stripe/stripe_connect.html

@@ -2,7 +2,7 @@
 {% block title %} Connect Stripe {% endblock %}
 
 {% block body %}
-<div class="container">
+<div class="container" style="padding: 25% 5%">
     <h2>Connect Stripe to your shop</h2>
     <p>Once connected, payments will be paid into your bank account via Stripe.</p>