Interactive VBoxManage

Hardcoded boxes are suboptimal going forward.

There should be an interactiveode that allows you to choose from the list of running. And allows you to start from inactive.

Also, should have a shutdown all, possibly add options for headless and graphical.

All of this is available with vboxmanage but ds can male it simpler.

- [ ] list inactive vms
- [ ] list active
- [ ] shutdown active by option
- [ ] shutdown active be name
- [ ] start by option
- [ ] start by name
- [ ] shutdown all
- [ ] start all

Start by locating the command entry point and the code that currently handles hardcoded boxes; the issue does not name files or tests. Read how VBoxManage lists, starts, and shuts down virtual machines. Done means the CLI supports the requested inactive/active listings, selection by option or name, shutdown and start operations, all-machine actions, and headless or graphical options.

Written by the indexing model from the issue text.