docs: update README.md

Author: Helias

README.md

@@ -9,3 +9,9 @@
 - `.queue show bg` Show queue status for all bg
 - `.queue show arena rated` Show queue status for all rated arena
 - `.queue show arena normal` Show queue status for all non rated arena (skirmish)
+
+### NPC "Show Queues"
+
+`.npc add 93080`
+
+![NPC-show-queue](https://github.com/user-attachments/assets/b51a70e7-0895-4abf-b4b3-93f935bfa817)