📸 Add new screenshots (#657)

Author: alejsdev

README.md

@@ -37,10 +37,22 @@ Some of the future new features and changes:
 
 [![API docs](img/login.png)](https://github.com/tiangolo/full-stack-fastapi-postgresql)
 
-### Dashboard - Create User
+### Dashboard - Admin
 
 [![API docs](img/dashboard.png)](https://github.com/tiangolo/full-stack-fastapi-postgresql)
 
+### Dashboard - Create User
+
+[![API docs](img/dashboard-create.png)](https://github.com/tiangolo/full-stack-fastapi-postgresql)
+
+### Dashboard - Items
+
+[![API docs](img/dashboard-items.png)](https://github.com/tiangolo/full-stack-fastapi-postgresql)
+
+### Dashboard - User Settings
+
+[![API docs](img/dashboard-user-settings.png)](https://github.com/tiangolo/full-stack-fastapi-postgresql)
+
 ## Technology Stack and Features
 
 - ⚡ [**FastAPI**](https://fastapi.tiangolo.com) for the Python backend API.