Add docs for user management (#24277)

* Add docs for user management

* WIP

docs/sources/manage-users/create-or-remove-team.md

@@ -0,0 +1,29 @@
++++
+title = "Create or remove a team"
+keywords = ["grafana", "configuration", "documentation", "users",
+"teams"]
+type = "docs"
+[menu.docs]
+identifier = "create-or-remove-team"
+parent = "manage-users"
+weight = 10
++++
+
+# Create or remove a team
+
+Create or remove teams to manage groups of users.
+
+For more information, refer to [Teams]({{< relref "./_index.md#teams" >}}).
+
+## Create a team
+
+1. In the sidebar, hover your mouse over the **Configuration** (gear) icon and then click **Teams**.
+1. Click **New team**.
+1. In **Name**, enter the name of the team.
+1. Click **Create**.
+
+## Remove a team
+
+1. In the sidebar, hover your mouse over the **Configuration** (gear) icon and then click **Teams**.
+1. Click **X** to the right of the team's name.
+1. Click **Delete** to confirm.