docs: added troubleshooting component (#4255)

docs/content/admin/quickstart.mdx

@@ -4,6 +4,8 @@ addHowToData: true
 ---
 
 import Feedback from '@site/src/components/Feedback';
+import Troubleshooting from '@site/src/components/Troubleshooting'
+import AdminLoginSection from '../troubleshooting/signing-in-to-admin.md'
 
 # Admin Dashboard Quickstart
 
@@ -263,3 +265,16 @@ You can add the following options to the `medusa-admin dev` command:
 The admin dashboard provides a lot of ecommerce features including managing Return Merchandise Authorization (RMA) flows, store settings, products, orders, and much more.
 
 You can learn more about the admin dashboard and its features in the [User Guide](../user-guide.mdx).
+
+---
+
+## Troubleshooting Installation
+
+<Troubleshooting
+  sections={[
+    {
+      title: 'Signing into Admin',
+      content: <AdminLoginSection />
+    },
+  ]}
+/>