Adds create customer drawer to customers page

Implements new drawer for creating customers with form inputs for contact details and notes

Enhances customer management by providing a streamlined way to add new customer records directly from the customers index page

PlanTempus.Application/Features/Customers/Components/CustomerTable/Default.cshtml

@@ -10,7 +10,7 @@
             <i class="ph ph-export"></i>
             <span>@Model.ExportButtonText</span>
         </swp-btn>
-        <swp-btn class="primary">
+        <swp-btn class="primary" data-drawer-trigger="create-customer-drawer">
             <i class="ph ph-plus"></i>
             <span>@Model.CreateButtonText</span>
         </swp-btn>