Merge pull request #657 from DuendeSoftware/better-demo-copy

Update IdentityServer demo card content for clarity

Author: khalidabuhakmeh

src/content/docs/index.mdx

@@ -42,8 +42,10 @@ import Testimonial from "~/components/testimonial.astro";
         ```
     </Card>
     <Card title="Demo Server" icon="setting" href="https://demo.duendesoftware.com">
-        Try out our IdentityServer demo server.
-        <LinkButton href="https://demo.duendesoftware.com" variant="secondary">
+      Experience IdentityServer in action with our live demo server. Test OAuth 2.0 and OpenID Connect flows, explore
+      client configurations, and see how security tokens work in practice.
+
+      <LinkButton href="https://demo.duendesoftware.com" variant="secondary">
             Try it out
         </LinkButton>
     </Card>