DOC-2559: add admonition to latest page.

Author: kemister85

modules/ROOT/partials/what-is-tinymce.adoc

@@ -7,3 +7,5 @@ The output created is in HTML5 and can include lists, tables, and other useful e
 * Loaded from the {cloudname} CDN (Content Delivery Network), which will ensure {productname} is always using the latest version.
 * Installed with a package manager (self-hosted).
 * Extracted from a .zip file (self-hosted).
+
+include::partial$misc/admin-account-creation-and-social-option.adoc[]