Removing basic tutorial, adding featured demos.

Author: Oxyjun

src/content/apps/index.yaml

@@ -351,7 +351,6 @@
 - link: https://github.com/cloudflare/templates/tree/staging/d1-starter-sessions-api
   id: Starter code for D1 Sessions API
   description: An introduction to D1 Sessions API. This demo simulates purchase orders administration.
-  tags: []
   products: [Workers, D1]
   languages: [TypeScript]
   cloudflare: true

src/content/docs/d1/demos.mdx

@@ -10,6 +10,12 @@ import { ExternalResources, GlossaryTooltip, ResourcesBySelector } from "~/compo
 
 Learn how you can use D1 within your existing application and architecture.
 
+## Featured Demos
+
+- [Starter code for D1 Sessions API](https://deploy.workers.cloudflare.com/?url=https://github.com/cloudflare/templates/tree/staging/d1-starter-sessions-api): An introduction to D1 Sessions API. This demo simulates purchase orders administration.
+
+  [![Deploy to Cloudflare](https://deploy.workers.cloudflare.com/button)](https://deploy.workers.cloudflare.com/?url=https://github.com/cloudflare/templates/tree/staging/d1-starter-sessions-api)
+
 ## Demos
 
 Explore the following <GlossaryTooltip term="demo application">demo applications</GlossaryTooltip> for D1.