Add community tutorials

Author: benitav

tutorials/overview.mdx

@@ -19,6 +19,18 @@ Our tutorials are currently organized into the following categories:
   <Card title="Self-Hosting Tutorials" icon="graduation-cap" href="/tutorials/self-host/overview" horizontal/>
 </CardGroup>
 
+## Notable Community Tutorials
+
+* Building an Offline-First Chat App Using PowerSync and Supabase
+  * Postgres (Supabase) + React Native + Expo + Tamagui
+  * [https://bndkt.com/blog/2023/building-an-offline-first-chat-app-using-powersync-and-supabase](https://bndkt.com/blog/2023/building-an-offline-first-chat-app-using-powersync-and-supabase)
+* Building an Offline-First Mobile App with PowerSync 
+  * Postgres + Flutter + Nest.js + Prisma ORM + Firebase Auth
+  * [https://blog.stackademic.com/building-an-offline-first-mobile-app-with-powersync-40674d8b7ea1](https://blog.stackademic.com/building-an-offline-first-mobile-app-with-powersync-40674d8b7ea1)
+* Implementing Local-First Architecture: A Guide to MongoDB Cluster and PowerSync Integration
+  * MongoDB Atlas + Next.js
+  * [https://blog.stackademic.com/implementing-local-first-architecture-a-guide-to-mongodb-cluster-and-powersync-integration-6b21fa8059a1](https://blog.stackademic.com/implementing-local-first-architecture-a-guide-to-mongodb-cluster-and-powersync-integration-6b21fa8059a1)
+
 ## Additional Resources
 
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