[v17] Add initial msteams hosted enroll docs (#49100)

* Add initial msteams hosted enroll docs

* Update docs/pages/admin-guides/access-controls/access-request-plugins/ssh-approval-msteams.mdx

Co-authored-by: Roman Tkachenko <roman@goteleport.com>

* Remove reference to mattermost in msteams doc

* Add app.zip example image

* Fix enroll docs include to use v17 layout

* Shrink image sizes in msteams doc

---------

Co-authored-by: Edward Dowling <edward.dowling@goteleport.com>
Co-authored-by: Edward Dowling <EdwardDowling@users.noreply.github.com>

Author: r0mant

docs/img/enterprise/plugins/enroll.png

@@ -11,6 +11,18 @@ compromising productivity.
 
 ![The Microsoft Teams Access Request plugin](../../../../img/enterprise/plugins/msteams.png)
 
+<Details title="This integration is hosted on Teleport Enterprise (Cloud)" open={false}>
+
+(!docs/pages/includes/plugins/enroll.mdx name="the Microsoft Teams integration"!)
+
+![Create Microsoft Teams Bot](../../../../img/enterprise/plugins/msteams/enroll-bot.png)
+
+Once enrolled you can download the required `app.zip` file from the integrations status page.
+
+![Download app.zip](../../../../img/enterprise/plugins/msteams/app-zip.png)
+
+</Details>
+
 ## Prerequisites
 
 (!docs/pages/includes/commercial-prereqs-tabs.mdx!)

docs/img/enterprise/plugins/msteams/app-zip.png

@@ -2,11 +2,9 @@
 In Teleport Enterprise Cloud, Teleport manages {{ name }} for you, and you can
 enroll {{ name }} from the Teleport Web UI.
 
-Visit the Teleport Web UI and click **Access Management** on the menu bar at the
-top of the screen. 
-
-On the left sidebar, click **Enroll New Integration** to visit the "Enroll New
-Integration" page: 
+Visit the Teleport Web UI and on the left sidebar, click **Access** followed
+by **Integrations**. Then click **Enroll New Integration** to visit the
+"Enroll New Integration" page:
 
 ![Enroll an Access Request plugin](../../../img/enterprise/plugins/enroll.png)