implement form actions for invoices + docs

dashboard-app-course/app/dashboard/invoices/create/page.tsx

@@ -0,0 +1,19 @@
+import Form from '@/app/ui/invoices/create-form';
+import Breadcrumbs from '@/app/ui/invoices/breadcrumbs';
+import { fetchCustomers } from '@/app/lib/data';
+
+export default async function Page(){
+    const customers = await fetchCustomers();
+
+    return (
+        <main>
+            <Breadcrumbs
+                breadcrumbs={[
+                    { label: 'Invoices', href: '/dashboard/invoices'},
+                    { label: 'Create Invoice', href: '/dashboard/invoices/create', active: true, },
+                ]}
+            />
+            <Form customers={customers} />
+        </main>
+    );
+}