Added tag for 2025-03 in readme file

Author: joslinmicrosoft

specification/web/resource-manager/Microsoft.Web/AppService/readme.md

@@ -34,7 +34,7 @@ These are the global settings for the AppService API.
 title: AppServiceManagementClient
 description: AppService Management Client
 openapi-type: arm
-tag: package-2024-11
+tag: package-2025-03
 ```
 
 ### Suppression
@@ -87,6 +87,29 @@ directive:
     reason: Retroactive addition of missing examples out of scope at this time.
 ```
 
+### Tag: package-2025-03
+
+These settings apply only when `--tag=package-2025-03` is specified on the command line.
+
+```yaml $(tag) == 'package-2025-03'
+input-file:
+    - stable/2025-03-01/AppServiceEnvironments.json
+    - stable/2025-03-01/AppServicePlans.json
+    - stable/2025-03-01/Certificates.json
+    - stable/2025-03-01/CommonDefinitions.json
+    - stable/2025-03-01/DeletedWebApps.json
+    - stable/2025-03-01/Diagnostics.json
+    - stable/2025-03-01/Global.json
+    - stable/2025-03-01/KubeEnvironments.json
+    - stable/2025-03-01/Provider.json
+    - stable/2025-03-01/Recommendations.json
+    - stable/2025-03-01/ResourceHealthMetadata.json
+    - stable/2025-03-01/ResourceProvider.json
+    - stable/2025-03-01/SiteCertificates.json
+    - stable/2025-03-01/StaticSites.json
+    - stable/2025-03-01/WebApps.json
+```
+
 ### Tag: package-2024-11
 
 These settings apply only when `--tag=package-2024-11` is specified on the command line.