docs: add a note about installing preview version (#8648)

- Add a note about ensuring a package's version is set to `preview` in `package.json`
- Add a troubleshooting guide for deployments with a section about preview versions
- Added a troubleshooting section to the railway deployment guide about preview versions

Closes #8646
Closes DOCS-913

www/apps/resources/app/deployment/medusa-application/railway/page.mdx

@@ -2,6 +2,9 @@
 sidebar_label: "Railway"
 ---
 
+import { DetailsList } from "docs-ui"
+import OutdatedPreviewContent from "../../../troubleshooting/_sections/common-installation-errors/outdated-preview.mdx"
+
 export const metadata = {
   title: `Deploy Medusa Application to Railway`,
 }
@@ -413,3 +416,12 @@ To check issues or errors in your deployed Medusa application:
 1. Click on the card of the Medusa application in server mode.
 2. Click on the Deployments tab.
 3. Click on the View Logs button.
+
+<DetailsList
+  sections={[
+    {
+      title: "Dependencies Using Outdated Preview Version",
+      content: <OutdatedPreviewContent />
+    }
+  ]}
+/>