update theme enhancement and hugo link

Signed-off-by: Wyllie Fang <wylliefang@gmail.com>

Author: Vincamine

content/en/cloud/academy/creating-content/extending-the-academy/index.md

@@ -171,6 +171,10 @@ This is a styled callout with custom CSS.
 - The shortcode applies padding, margins, colors, and borders
 - `{{ .Inner }}` displays the content between opening and closing shortcode tags
 
+##### Advanced Hugo Features
+
+The Layer5 Academy platform supports all Hugo shortcode features. For more advanced functionality, see the [Hugo documentation](https://gohugo.io/content-management/shortcodes/). 
+
 ### Branded Email Communications
 
 When using the Academy with [white-labeling](/cloud/self-hosted/white-labeling) enabled, all system-generated emails (badge awards, certificate awards, challenge registrations) automatically reflect your organization's branding.

content/en/cloud/academy/platform-development/index.md

@@ -26,7 +26,7 @@ This repository is the "skin" for the entire Academy. It controls the website's
 
 Content repositories automatically import this theme as a Go Module. As a content creator, you do not need to fork or clone this repository; your academy will use these styles by default. 
 
-> Currently, we only support customizing shortcodes in your content repository, not full theme customization.
+> Currently, we only support customizing shortcodes in your content repository, not full theme customization. For requests regarding new archetypes, layouts, or theme enhancements, please open an issue in the [academy-theme repository](https://github.com/layer5io/academy-theme/issues).
 
 ### [academy-example](https://github.com/layer5io/academy-example)