Ubuntu / Debian | Enabling installation of 32-bit binaries on 64-bit host

From https://blog.simos.info/running-steam-in-a-lxd-system-container/:

```yaml
      - 'dpkg --add-architecture i386'

      - 'apt-get update'

      - 'apt-get install -y x11-apps:i386'

      - 'apt-get install -y mesa-utils:i386'

      - 'apt-get install -y libgl1-mesa-glx:i386'

      - 'apt-get install -y libcanberra-gtk-module:i386'
```