fix: ensure correct startup order for Netdata service on FreeBSD (#19032)

system/freebsd/rc.d/netdata.in

@@ -1,6 +1,10 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-3.0-or-later
 
+# PROVIDE: netdata
+# REQUIRE: DAEMON NETWORKING
+# BEFORE: LOGIN
+
 . /etc/rc.subr
 
 name=netdata