Demo preview_image update (#20377)

* Demo preview_image update

* Social specific image

Author: kodster28

src/assets/images/changelog/ai-gateway/guardrails-social-preview.png

@@ -1,14 +1,14 @@
 ---
 title: Introducing Guardrails in AI Gateway
 description: Keep AI interactions secure and risk-free with Guardrails in AI Gateway
-products:
-  - ai-gateway
 date: 2025-02-26T6:00:00Z
+preview_image: ~/assets/images/changelog/ai-gateway/guardrails-social-preview.png
 ---
 
-[AI Gateway](/ai-gateway/) now includes [Guardrails](/ai-gateway/guardrails/), to help you monitor your AI apps for harmful or inappropriate content and deploy safely. 
+[AI Gateway](/ai-gateway/) now includes [Guardrails](/ai-gateway/guardrails/), to help you monitor your AI apps for harmful or inappropriate content and deploy safely.
 
 Within the AI Gateway settings, you can configure:
+
 - **Guardrails**: Enable or disable content moderation as needed.
 - **Evaluation scope**: Select whether to moderate user prompts, model responses, or both.
 - **Hazard categories**: Specify which categories to monitor and determine whether detected inappropriate content should be blocked or flagged.