Add mempool-logger script and syslog.conf configuration to log to it

production/mempool-logger

@@ -0,0 +1,7 @@
+#!/bin/sh
+trap "" PIPE
+while read input;do
+	if [ ! -z "${input}" ];then
+		echo "\`\`\`${input}\`\`\`" | /usr/local/bin/keybase chat send --nonblock mempool.syslog
+	fi
+done

production/syslog.conf

@@ -0,0 +1,3 @@
+local7.debug /var/log/mempool.debug
+local7.info /var/log/mempool
+local7.notice |/usr/local/bin/sudo -u mempool /usr/local/bin/mempool-logger