DOCS-3537: Update front matter for CORE 13 Accounts docs

- Update the UI reference guide Accounts index file to properly show children articles and related tutorial content.

content/CORE/CORETutorials/SettingUpUsersAndGroups.md

@@ -10,6 +10,7 @@ tags:
 - coreusers
 - coregroups
 - coreaccounts
+- coreaccountstutorials
 ---
 
 Creating users and assigning them to groups allows you to efficiently tune permissions and share data for large numbers of users.

content/CORE/UIReference/Accounts/Users.md

@@ -1,6 +1,6 @@
 ---
 title: "Users"
-description: "This article describes how to create and manage user accounts on TrueNAS CORE."
+description: "This article describes the fields on the Users screens in TrueNAS CORE."
 weight: 20
 tags:
 - coreusersandgroups

content/CORE/UIReference/Accounts/_index.md

@@ -1,5 +1,12 @@
 ---
 title: "Accounts"
+description: "CORE UI User and Group screens documentation."
 geekdocCollapseSection: true
 weight: 50
 ---
+
+This section has articles documenting the TrueNAS local User and Group screens.
+
+{{< children depth="2" description="true" >}}
+
+{{< taglist tag="coreaccountstutorials" limit="10" >}}