* Introduce the "devmode" confinement
* Switch base to "core18"
* Install ninja and acr as build dependencies
* Add documentation on how to install from Snap
Co-authored-by: Simos Xenitellis <simos.lists@googlemail.com>
Now the snapcraft.yaml file can be used to build automatically
on build.snapcraft.io. If you want to build in your own VM or container,
use `sudo snapcraft` instead.