(base) add newsyslogd base configuration

src/opnsense/service/templates/OPNsense/Syslog/+MANIFEST

+name: opnsense-syslog
+version: 0.1
+origin: opnsense/syslog
+comment: newsyslog base configuration
+desc: configuration templates for syslog
+maintainer: ad at opnsense.org
+www: https://opnsense.org
+prefix: /

src/opnsense/service/templates/OPNsense/Syslog/+TARGETS

+newsyslog.conf:/etc/newsyslog.conf

src/opnsense/service/templates/OPNsense/Syslog/newsyslog.conf

+# autogenerated configuration file for newsyslog, do not edit
+# $FreeBSD$
+#
+# Entries which do not specify the '/pid_file' field will cause the
+# syslogd process to be signalled when that log file is rotated.  This
+# action is only appropriate for log files which are written to by the
+# syslogd process (ie, files listed in /etc/syslog.conf).  If there
+# is no process which needs to be signalled when a given log file is
+# rotated, then the entry for that file should include the 'N' flag.
+#
+# The 'flags' field is one or more of the letters: BCDGJNUXZ or a '-'.
+#
+# Note: some sites will want to select more restrictive protections than the
+# defaults.  In particular, it may be desirable to switch many of the 644
+# entries to 640 or 600.  For example, some sites will consider the
+# contents of maillog, messages, and lpd-errs to be confidential.  In the
+# future, these defaults may change to more conservative ones.
+#
+# logfilename          [owner:group]    mode count size when  flags [/pid_file] [sig_num]
+<include> /etc/newsyslog.conf.d/*
+<include> /usr/local/etc/newsyslog.conf.d/*