Move e-payment to Settings and add ZarinPal credentials.

Gateway config now lives on the general Settings page, with Mellat fields in a 3-column layout and ZarinPal available at checkout.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/pages/HomePage.tsx

@@ -40,6 +40,8 @@ const sections: {
   countLabelKey?: BusinessMessageKey
   href: string
   countKey?: CountKey
+  /** Double-width tile (4 of 6 home columns). */
+  wide?: boolean
   /** When set, card is shown only if this optional module is enabled. */
   moduleId?: BusinessModuleId
   /** When set, card is shown if any listed module is enabled. */
@@ -63,6 +65,7 @@ const sections: {
     countLabelKey: 'home.card.store.count',
     href: '/store',
     countKey: 'store',
+    wide: true,
     moduleId: 'store',
   },
   {
@@ -185,6 +188,7 @@ export function HomePage() {
             description={t(section.descKey)}
             linkText={t(section.linkKey)}
             href={section.href}
+            className={section.wide ? styles.span4 : undefined}
             count={section.countKey ? counts[section.countKey] : undefined}
             countLabel={section.countLabelKey ? t(section.countLabelKey) : undefined}
           />