Politely remind Azure not to destroy everything when deploying

Azure changed their default deployment procedures to delete everything on each deployment, causing complete data loss.

See: Azure/webapps-deploy#401

.github/workflows/azure-deployment.yml

@@ -72,3 +72,4 @@ jobs:
           slot-name: "Production"
           publish-profile: ${{ secrets.AZUREAPPSERVICE_PUBLISHPROFILE_C1896F072C044B3385AFFE24FD9DA74E }}
           package: ${{ env.AZURE_WEBAPP_PACKAGE_PATH }}
+          clean: false

PodcastRewind/Pages/Index.cshtml

@@ -4,6 +4,19 @@
 @{
     ViewData["Title"] = Constants.Logo;
 }
+
+<div class="alert alert-danger d-flex align-items-center" role="alert">
+  <svg xmlns="http://www.w3.org/2000/svg" class="bi bi-exclamation-triangle-fill flex-shrink-0 me-2" viewBox="0 0 16 16" role="img" aria-label="Warning:">
+    <path d="M8.982 1.566a1.13 1.13 0 0 0-1.96 0L.165 13.233c-.457.778.091 1.767.98 1.767h13.713c.889 0 1.438-.99.98-1.767L8.982 1.566zM8 5c.535 0 .954.462.9.995l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 5.995A.905.905 0 0 1 8 5zm.002 6a1 1 0 1 1 0 2 1 1 0 0 1 0-2z"/>
+  </svg>
+  <div>
+    Unfortunately, Azure Websites silently introduced a change recently that caused all existing 
+    Podcast Rewind feeds to be deleted. Sadly, any feeds you created prior to March 2, 2024 will
+    need to be recreated from scratch. <em>(Trust me, I'm as angry about this as you are! — Doug)</em>
+  </div>
+  <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+</div>
+
 <h1>
     <span class="pr-logo">@Constants.Logo</span>
 </h1>