Autoupdate

[kdzwinel]

Electron supports automatic updates. Let's enable that for Betwixt.

Docs: https://github.com/atom/electron/blob/master/docs/api/auto-updater.md Reference: https://github.com/atom/atom

[kdzwinel]

Let's use this: https://github.com/jenslind/electron-gh-releases . Here is a project using it: https://github.com/ekonstantinidis/gitify .

Things to figure out:

• grunt-electron-installer
• nupkg
• signing apps on mac