docs: added customer confirmation email guide (#3817)

* docs: added customer confirmation email guide

* fix id in sidebar

* fix link

docs/content/modules/customers/overview.mdx

@@ -28,22 +28,20 @@ An admin can manage all customers and their details.
 <DocCardList colSize={4} items={[
   {
     type: 'link',
-    href: '#',
+    href: '/modules/customers/storefront/implement-customer-profiles',
     label: 'Storefront: Add Customer Profiles',
     customProps: {
       icon: Icons['academic-cap-solid'],
       description: 'Learn how to implement customer accounts in a storefront.',
-      isSoon: true,
     }
   },
   {
     type: 'link',
-    href: '#',
+    href: '/modules/customers/admin/manage-customers',
     label: 'Admin: Manage Customers',
     customProps: {
       icon: Icons['academic-cap-solid'],
       description: 'Learn how to manage customers using Admin APIs.',
-      isSoon: true,
     }
   },
   {
@@ -66,12 +64,11 @@ For example, an admin can specify a different pricing or special discounts for s
 <DocCardList colSize={4} items={[
   {
     type: 'link',
-    href: '#',
+    href: '/modules/customers/admin/manage-customer-groups',
     label: 'Admin: Manage Customer Groups',
     customProps: {
       icon: Icons['academic-cap-solid'],
       description: 'Learn how to manage customer groups using Admin APIs.',
-      isSoon: true,
     }
   },
   {
@@ -103,22 +100,20 @@ Learn how Customer-related entities are built, their relation to other modules,
 <DocCardList colSize={6} items={[
   {
     type: 'link',
-    href: '#',
+    href: '/modules/customers',
     label: 'Architecture: Customer',
     customProps: {
       icon: Icons['circle-stack-solid'],
       description: 'Learn about the Customer Architecture.',
-      isSoon: true,
     }
   },
   {
     type: 'link',
-    href: '#',
+    href: '/modules/customers/customer-groups',
     label: 'Architecture: Customer Group',
     customProps: {
       icon: Icons['circle-stack-solid'],
       description: 'Learn about the Customer Group Architecture.',
-      isSoon: true,
     }
   },
 ]} />