update disk unlock scripts

bin/unlock-syncpi-bravo

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+KEYFILE="$HOME/Documents/sync/secrets/luks/syncpi-las1-bravo.luks.gpg"
+
+if [[ ! -e "$KEYFILE" ]]; then
+    echo "wrong box!" >> /dev/stderr
+    exit 1
+fi
+
+gpg -d "$KEYFILE" | ssh root@syncpi-las1-bravo.tor "bash /root/unlock_disks"