update websites info

backend/src/modules/storefrontCore/public/css/storefront.css

@@ -391,6 +391,13 @@ a:hover {
     justify-content: space-between;
 }
 
+.sf-footer__start {
+    display: flex;
+    flex-wrap: wrap;
+    gap: var(--sf-space-4);
+    align-items: center;
+}
+
 .sf-theme-switcher {
     display: flex;
     flex-wrap: wrap;

backend/src/modules/storefrontCore/views/partials/shop-footer.hbs

@@ -1,8 +1,11 @@
 <footer class='sf-footer{{#if stacked}} sf-footer--stacked{{/if}}'>
     <div class='sf-footer__row'>
-        {{#if simplexLink}}
-            <a href='{{simplexLink}}' target='_blank' rel='noopener noreferrer'>Contact via Simplex</a>
-        {{/if}}
+        <div class='sf-footer__start'>
+            {{#if simplexLink}}
+                <a href='{{simplexLink}}' target='_blank' rel='noopener noreferrer'>Contact via Simplex</a>
+            {{/if}}
+            <a href='https://nullcart.net/' target='_blank' rel='noopener noreferrer'>Powered by NullCart</a>
+        </div>
         {{> theme-switcher}}
     </div>
 </footer>