Optimize build size

[mittalyashu]

Description

Minify and optimize the package build size

Possible options

• Which package is occupying the maximum space?
• https://github.com/openwhyd/openwhyd-electron/issues/22#issuecomment-416077029

Links

• https://stackoverflow.com/questions/53464838/how-to-reduce-the-size-of-electron-app-with-some-packager
• https://github.com/electron/electron/issues/2003