update the announce command (#34889)

Resources/Locale/en-US/administration/commands/announce-command.ftl

@@ -0,0 +1,11 @@
+cmd-announce-desc = Send an in-game announcement with custom color and sound.
+cmd-announce-help = {$command} <message> [sender] [color] [sound] - Send announcement. Sender defaults to CentCom, color to Gold, sound to announce.ogg. The color should be in a #RRGGBB format.
+
+# The default sender for the announcement
+cmd-announce-sender = Central Command
+
+# Completion hints
+cmd-announce-arg-message = <message>
+cmd-announce-arg-sender = [sender]
+cmd-announce-arg-color = [color]
+cmd-announce-arg-sound = [sound]