Add basic backup capabilities (uncommited changes from long ago)

restore.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+_date="$1"
+
+if [ -z "$_date" ]
+then
+  echo "Error: no date given."
+  exit 1
+fi
+
+compose_project="next"
+compose_volumes=( "db-data" )
+
+for volume in "${compose_volumes[@]}"
+do
+  volume_name="${compose_project}_${volume}"
+ ./vackup import "backup_${_date}.${volume_name}.tar.gz" "${volume_name}"
+done