register ANF redirect file in .openpublishing.publish.config.json; moved ANF redirect file to be under ANF subdir

Author: b-hchen

.openpublishing.publish.config.json

@@ -833,6 +833,7 @@
     ".openpublishing.redirection.security-benchmark.json",
     ".openpublishing.redirection.synapse-analytics.json",
     "articles/azure-fluid-relay/.openpublishing.redirection.fluid-relay.json",
+    "articles/azure-netapp-files/.openpublishing.redirection.azure-netapp-files.json",   
     "articles/azure-relay/.openpublishing.redirection.relay.json",
     "articles/communication-services/.openpublishing.redirection.communication-services.json",
     "articles/cosmos-db/.openpublishing.redirection.cosmos-db.json",