reorganize docs

Each host gets a directory.  Containers will soon also have their own
directory.

hosts/krov/serverko/ipv6tunnel12/etc/network/interfaces

@@ -0,0 +1,20 @@
+auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet static
+	address 192.168.1.208/24
+	gateway 192.168.1.1
+
+auto he-ipv6
+iface he-ipv6 inet6 v4tunnel
+        address 2001:470:1f1a:1a4::2
+        netmask 127
+        endpoint 216.66.87.14
+        local 192.168.1.208
+        ttl 255
+        gateway 2001:470:1f1a:1a4::1
+
+iface eth0 inet6 static
+	address 2001:470:1f1a:1a4::5/96
+

hosts/krov/serverko/ipv6tunnel12/lib/systemd/system/ifuptunnel.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Auto start ipv6 tunnel
+After=network.target
+
+[Service]
+ExecStart=/usr/bin/bash /root/scripts/netstart.sh
+# Remove restarts if the command is just a one-off
+Restart=on-failure
+RestartSec=5s
+
+[Install]
+WantedBy=multi-user.target
+

hosts/krov/serverko/ipv6tunnel12/root/scripts/netstart.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+ifup he-ipv6
+ip -6 route add default via 2001:470:1f1a:1a4::1 dev he-ipv6