Configure executable output directory.

[aslilac]

• I have read the contribution documentation for this project.
• I agree to follow the code of conduct that this project follows, as appropriate.
• I have searched the issue tracker for an issue that matches the one I want to file, without success.

Currently electron-packager is just always called on a directory named "out". It would be nice if we could control the name of this directory, preferable by just allowing us to set the "out" property for "packagerConfig".

[GrandSchtroumpf]

Is there any plan concerning this issue ? I'm working in a monorepo with several applications and would be great to be able to specify out path.

[nishant-labs]

It will be great if anyone could make this happen, really annoying while working in monorepo

[CMCDragonkai]

This will be really helpful in NixOS, we cannot mutate the input directories inside /nix/store. It's important to set the output directory.

[hadwrf]

I need to modify out directory. It should be configurable.

[jeanbmar]

PR #2714 submitted, I can't use Electron without this feature either.