TODO

App

Add UI
- Bottom tab navigation
  - Machines
  - New Machine
  - Settings
- Bundle kernel, rootfs, data, and swap images in assets
- Copy assets to /data/local/tmp/machina
- Add termux view

VM

Automate rootfs building
mount root as overlay FS (https://github.com/fitu996/overlayroot.sh)
setup vsock proxy
- Fork from init
- use socat to forward STDIO over vsock
setup lxc/lxd