Add a script to get the next hop in a route.

I never remember the incantation, and its slightly different between FreeBSD and Linux so I am adding this script essentially as a note.

ansible/roles/network/tasks/freebsd.yaml

@@ -75,3 +75,14 @@
   file:
     path: "/etc/rc.conf.d/ip6addrctl"
     state: absent
+
+- name: Install scripts
+  copy:
+    src: "files/{{ item.src }}"
+    dest: "{{ item.dest }}"
+    mode: 0755
+    owner: root
+    group: wheel
+  loop:
+    - src: next_hop_freebsd.bash
+      dest: /usr/local/bin/next_hop