Documentation polish 🧽 (#280)

documentation/tutorials/getting-started-with-ash-authentication-phoenix.md

@@ -58,6 +58,7 @@ We can make our life easier and the code more consistent by adding formatters to
     :phoenix,
     # add these lines -->
     :ash,
+    :ash_authentication,
     :ash_authentication_phoenix,
     :ash_postgres
     # <-- add these lines
@@ -203,6 +204,7 @@ At the end we should have the following directory structure:
 lib/example
 ├── accounts
 |   ├── accounts.ex
+|   ├── secrets.ex
 |   └── resources
 │       ├── token.ex
 |       └── user.ex