Switch broadcast to MQTT

dist/config/bbs.ini

@@ -25,9 +25,10 @@ SSH RSA Key = /home/andrew/MagickaBBS/keys/ssh_host_rsa_key
 Main AKA = 1:2/3.4
 QWK Name = MAGICKA
 QWK Max Messages = 5000
-Broadcast Enable = false
-Broadcast Port = 2027
-Broadcast Address = 192.168.1.255
+MQTT Enable = false
+MQTT Port = 2027
+MQTT Address = localhost
+MQTT Topic = MagickaBBS
 IP Guard Enable = true
 IP Guard Timeout = 120
 IP Guard Tries = 4