Export screenshots in folders

[lanceplaine]

The tree currently looks like this:

Apps/
├── Clock.sketch
├── Health.sketch
├── ...
└── System.sketch
Screen Shots/
├── Clock (Main).png
├── Clock (Options).png
├── ...
├── Control Centre (Main).png
└── Control Centre (Music).png

I think it should be like this (One folder by file):

Apps/
├── Clock.sketch
├── Health.sketch
├── ...
└── System.sketch
Screen Shots/
├── Clock/
│   ├── Main.png
│   └── Options
├── Control Centre/
│   ├── Main.png
│   └── Music.png
└── ...

It's not a big deal but it will be easier in the future to work with theses files.

I will do a PR

[cjmlgrto]

Because of the rollback, these changes need to be made again. I'll handle this one 🙂

[cjmlgrto]

Done.