Docs: Refactored Enterprise side menu (#22189)

* Refactored Enterprise side menu

* Update menu.yaml

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* Update menu.yaml

docs/sources/enterprise/team-sync.md

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+title = "Team sync"
+description = "Grafana Team Sync"
+keywords = ["grafana", "auth", "documentation"]
+aliases = ["/docs/grafana/latest/auth/saml/"]
+type = "docs"
+[menu.docs]
+name = "Team sync"
+parent = "enterprise"
+weight = 5
++++
+
+# Team sync
+
+> Only available in Grafana Enterprise.
+
+{{< docs-imagebox img="/img/docs/enterprise/team_members_ldap.png" class="docs-image--no-shadow docs-image--right" max-width= "600px" >}}
+
+With the Team Sync it's possible to setup synchronization between your auth providers teams and teams in Grafana. This enables LDAP or GitHub OAuth users which are members
+of certain teams/groups to automatically be added/removed as members to certain teams in Grafana. Currently the synchronization will only happen every
+time a user logs in, unless LDAP is used together with active background synchronization that was added in Grafana 6.3.
+
+Grafana keeps track of all synchronized users in teams and you can see which users have been synchronized in the team members list, see `LDAP` label in screenshot.
+This mechanism allows Grafana to remove an existing synchronized user from a team when its LDAP group membership (for example) changes. This mechanism also enables you to manually add a user as member of a team and it will not be removed when the user signs in. This gives you flexibility to combine LDAP group memberships and Grafana team memberships.
+
+<div class="clearfix"></div>
+
+### Enable synchronization for a team
+
+{{< docs-imagebox img="/img/docs/enterprise/team_add_external_group.png" class="docs-image--no-shadow docs-image--right" max-width= "600px" >}}
+
+1. Navigate to Configuration / Teams.
+2. Select a team.
+3. Select the External group sync tab and click on the `Add group` button.
+4. Insert the value of the group you want to sync with. This becomes what Grafana denominates as a `GroupID`.
+
+    - Using LDAP as an example, this is the LDAP distinguished name (DN) of LDAP group you want to synchronize with the team.
+    - Using Auth Proxy as an example, this is the value we receive as part of the custom `Groups` header.
+
+5. Click on `Add group` button to save.
+
+### Supported Providers
+
+* [LDAP]({{< relref "enhanced_ldap.md#ldap-group-synchronization-for-teams" >}})
+* [GitHub OAuth]({{< relref "../auth/github.md#team-sync-enterprise-only" >}})
+* [GitLab OAuth]({{< relref "../auth/gitlab.md#team-sync-enterprise-only" >}})
+* [Auth Proxy]({{< relref "../auth/auth-proxy.md#team-sync-enterprise-only">}})