Added pan specifications (#22878)

Co-authored-by: Yuchao Yan <yuchaoyan@microsoft.com>

Discussed with @Vibhuti-Sharma-Microsoft The operation ID will be fixed in subsequent change, since this version of swagger has already been merged in `azure-rest-api-specs-pr`.

Author: Vibhuti-Sharma-Microsoft

custom-words.txt

@@ -801,6 +801,7 @@ formrecognizer
 FPGA
 Fpushpins
 fqdn
+fqdnlists
 FQDNs
 Français
 francecentral
@@ -1613,6 +1614,7 @@ prebackupvalidation
 prebuilts
 precache
 preconfigured
+prefixlists
 preflight
 prelabel
 preload
@@ -1849,6 +1851,9 @@ ruleid
 Ruleproperties
 Ruleset
 Rulesets
+rulestack
+Rulestack
+Rulestacks
 runbook
 Runbooks
 runid
@@ -2682,6 +2687,9 @@ networkinterfaces
 storagecontainers
 virtualharddisks
 vippool
+vwan
+Vwan
+VWAN
 routeset
 routesets
 wayfind
@@ -2695,6 +2703,8 @@ Discoverability
 Precheck
 logbase
 Ueba
+Untrust
+Untrusted
 hotpatching
 Offersby
 Versionswithin