Update to and Images for on-device AI / Edge AI article

Author: obx-vivien

docs/on-device-ai-goes-mainstream.mdx

@@ -2,7 +2,7 @@
 title: " On‑Device AI Goes Mainstream on Android"
 description: "On-device AI / Edge AI / Mobiel AI / Local AI - whatever the name; it is already very possible today and has many benefits. Here's how you can get started (now or whenever you're ready)"
 slug: edge-ai-anywhere-anytime
-image:
+image: /img/social/on-device-AI-on-Android.jpg
 ---
 
 import Head from '@docusaurus/Head';