Having a simpler packaging system

The current build scripts are a bit complicated and maintaining them is not easy.

Electron Forge seems more mature and has a boatload of features, including Flatpak, snaps, Windows installers & more.

Have a look also at the Plugins section since there are quite a few interesting things there as well.

Afterwards consider running a new round of Reducing binary size, especially taking into consideration removing of the unnecessary locales.