Update .openpublishing.redirection.json

Author: JasonWHowell

.openpublishing.redirection.json

@@ -3720,6 +3720,11 @@
             "redirect_url": "/azure/vs-azure-tools-storage-explorer-relnotes",
             "redirect_document_id": false
         },
+        {
+            "source_path_from_root": "/articles/web-application-firewall/scripts/waf-custom-rules-powershell.md",
+            "redirect_url": "/azure/web-application-firewall/ag/configure-waf-custom-rules",
+            "redirect_document_id": false
+        },
         {
             "source_path_from_root": "/articles/web-application-firewall/ag/powershell-samples.md",
             "redirect_url": "/azure/web-application-firewall/ag/tutorial-restrict-web-traffic-powershell",