added rc.d script for FreeBSD

Installation.md

@@ -62,4 +62,40 @@ ln -s /usr/local/bin/mono /bin
 
 restart your jail
 use your browser and navigate to jail_ip:7878
+```
+
+An alternative rc.d script for FreeBSD jails is listed below which allows you to change the user radarr runs as. Create /etc/rc.d/radarr or /usr/local/rc.d/radarr and paste the following into it:
+
+```
+#!/bin/sh
+#
+# $FreeBSD$
+#
+
+# PROVIDE: radarr
+# REQUIRE: LOGIN
+# KEYWORD: shutdown
+
+# Add the following lines to /etc/rc.conf to enable radarr:
+# radarr_enable="YES"
+
+. /etc/rc.subr
+
+name="radarr"
+rcvar=radarr_enable
+
+load_rc_config $name
+
+: ${radarr_enable="NO"}
+: ${radarr_user:="media"}
+: ${radarr_group:="media"}
+: ${radarr_data_dir:="/var/db/radarr"}
+
+procname="/usr/local/bin/mono"
+command="/usr/sbin/daemon"
+command_args="-f ${procname} /usr/local/share/Radarr/Radarr.exe --data=${radarr_data_dir}"
+
+start_precmd="export XDG_CONFIG_HOME=${radarr_data_dir}"
+
+run_rc_command "$1"
 ```