docs: Adding a warning about Microsoft's ToS (#2833)

* docs: Adding a warning about Microsoft's ToS

Signed-off-by: Ilya Buziuk <[email protected]>

* Update modules/administration-guide/pages/configuring-the-open-vsx-registry-url.adoc

---------

Signed-off-by: Ilya Buziuk <[email protected]>

Author: ibuziuk

modules/administration-guide/nav.adoc

@@ -51,7 +51,6 @@
 *** xref:enabling-users-to-run-multiple-workspaces-simultaneously.adoc[]
 *** xref:deploying-che-with-support-for-git-repositories-with-self-signed-certificates.adoc[]
 *** xref:configuring-workspaces-nodeselector.adoc[]
-*** xref:configuring-the-open-vsx-registry-url.adoc[]
 *** xref:configuring-allowed-urls-for-cloud-development-environments.adoc[]
 ** xref:caching-images-for-faster-workspace-start.adoc[]
 *** xref:installing-kubernetes-image-puller.adoc[]
@@ -105,6 +104,7 @@
 *** xref:enabling-fuse-for-all-workspaces.adoc[]
 * xref:managing-ide-extensions.adoc[]
 ** xref:extensions-for-microsoft-visual-studio-code-open-source.adoc[]
+** xref:configuring-the-open-vsx-registry-url.adoc[]
 * xref:configuring-visual-studio-code.adoc[]
 ** xref:configuring-single-and-multiroot-workspaces.adoc[]
 ** xref:trusted-extensions-for-microsoft-visual-studio-code.adoc[]

modules/administration-guide/pages/configuring-the-open-vsx-registry-url.adoc

@@ -22,6 +22,11 @@ spec:
        openVSXURL: __<your_open_vsx_registy>__
 # [...]
 ----
++
+[WARNING]
+====
+Due to the dedicated Microsoft link:https://cdn.vsassets.io/v/M190_20210811.1/_content/Microsoft-Visual-Studio-Marketplace-Terms-of-Use.pdf[Terms of Use], link:https://marketplace.visualstudio.com/vscode[Visual Studio Code Marketplace] is not supported by {prod}.
+====
 
 .Additional resources
 * xref:using-the-cli-to-configure-the-checluster-custom-resource.adoc[]

modules/administration-guide/pages/managing-ide-extensions.adoc

@@ -10,3 +10,5 @@
 IDEs use extensions or plugins to extend their functionality, and the mechanism for managing extensions differs between IDEs.
 
 * xref:extensions-for-microsoft-visual-studio-code-open-source.adoc[]
+* xref:configuring-the-open-vsx-registry-url.adoc[]
+