docs(readme): add live demo link and login credentials

Author: puemos

README.md

@@ -8,6 +8,8 @@
 
 ## Open-source ERP for small-scale artisanal manufacturers and craft businesses
 
+> **Live Demo:** [craftplan.fly.dev](https://craftplan.fly.dev) — log in with `test@test.com` / `Aa123123123123`
+
 Craftplan brings all essential business tools into one platform — catalog management, inventory control, order processing, production planning, purchasing, and CRM — so you can get off the ground quickly without paying for multiple separate platforms.
 
 ![Manage overview with schedule, make sheet, and completion snapshot](screenshots/plan.webp)

docs/src/components/Hero.astro

@@ -17,12 +17,21 @@ const base = import.meta.env.BASE_URL;
         href={`${base}docs/getting-started/`}
         class="cursor-pointer inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium h-9 px-4 py-2 bg-indigo-600 text-white border border-indigo-600 shadow-xs hover:bg-indigo-500 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-stone-300"
       >Get Started</a>
+      <a
+        href="https://craftplan.fly.dev"
+        target="_blank"
+        rel="noopener noreferrer"
+        class="cursor-pointer inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium h-9 px-4 py-2 bg-stone-200/50 border border-stone-300 shadow-xs hover:bg-stone-200 hover:text-gray-800 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-stone-300"
+      >Live Demo</a>
       <a
         href="https://github.com/puemos/craftplan"
         target="_blank"
         rel="noopener noreferrer"
         class="cursor-pointer inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium h-9 px-4 py-2 bg-stone-200/50 border border-stone-300 shadow-xs hover:bg-stone-200 hover:text-gray-800 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-stone-300"
       >View on GitHub</a>
     </div>
+    <p class="mt-4 text-sm text-stone-500">
+      Log in with <code class="text-stone-600">test@test.com</code> / <code class="text-stone-600">Aa123123123123</code>
+    </p>
   </div>
 </section>