Initial commit to support a luks formatted partition holding user-data.

See #1340.

Run setup/start-encrypted.sh instead of setup/start.sh.

After reboots, login to your box and run tools/startup.sh.

tools/startup.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+setup/ehdd/mount.sh || exit 1
+
+if [ -s /etc/mailinabox.conf ]; then
+    [ -x /usr/sbin/slapd ] && systemctl start slapd
+    systemctl start php7.2-fpm
+    systemctl start dovecot
+    systemctl start postfix
+    systemctl start nginx
+    systemctl start cron
+    #systemctl start nsd
+    systemctl link -f $HOME/mailinabox/conf/mailinabox.service
+    systemctl start mailinabox
+    systemctl start fail2ban
+fi
+