conf: add syslog logging defaults

conf/defaults.ini

@@ -245,6 +245,18 @@ daily_rotate = true
 # Expired days of log file(delete after max days), default is 7
 max_days = 7
 
+[log.syslog]
+level =
+# Syslog network type and address. This can be udp, tcp, or unix. If left blank, the default unix endpoints will be used.
+network =
+address =
+
+# Syslog facility. user, daemon and local0 through local7 are valid.
+facility =
+
+# Syslog tag. By default, the process' argv[0] is used.
+tag =
+
 #################################### AMPQ Event Publisher ##########################
 [event_publisher]
 enabled = false