[examples] Migrate to railsway (#2646)

Co-authored-by: Prakhar Gupta <[email protected]>

examples/basic-crud-app/README.md

@@ -2,7 +2,7 @@
 
 <p class="description">An admin application to showcase how CRUD operations work in Toolpad.</p>
 
-<a href="https://stackblitz.com/fork/github/mui/mui-toolpad/tree/master/examples/basic-crud-app" target="_blank">
+<a href="https://basic-crud-app-production.up.railway.app/prod/" target="_blank">
   <img src="https://mui.com/static/toolpad/docs/examples/basic-crud-app.png" alt="Basic CRUD app" style="aspect-ratio: 1.8" width="100%">
 </a>
 

examples/npm-stats/README.md

@@ -2,13 +2,13 @@
 
 <p class="description">This analytics dashboard shows how to track a KPI from a third-party data source.</p>
 
-<a href="https://npm-stats.onrender.com/prod/pages/evZC-gp" target="_blank">
+<a href="https://mui-toolpad-npm-stats-production.up.railway.app/prod/pages/evZC-gp" target="_blank">
   <img src="https://mui.com/static/toolpad/docs/examples/npm-stats.png" alt="npm stats app" style="aspect-ratio: 1.8" width="100%">
 </a>
 
 ## Check out the live app
 
-[Open example](https://npm-stats.onrender.com/prod/pages/evZC-gp)
+[Open example](https://mui-toolpad-npm-stats-production.up.railway.app/prod/pages/evZC-gp)
 
 ## How to run
 

examples/qr-generator/README.md

@@ -2,7 +2,7 @@
 
 <p class="description">A basic Toolpad application that can be used to turn any text or URL into a QR code.</p>
 
-<a href="https://stackblitz.com/fork/github/mui/mui-toolpad/tree/master/examples/qr-generator" target="_blank">
+<a href="https://mui-toolpad-qr-generator-production.up.railway.app/prod/" target="_blank">
   <img src="https://mui.com/static/toolpad/docs/examples/qr-generator.png" alt="QR generator" style="aspect-ratio: 1.8" width="100%">
 </a>