Fix broken link to image in README.md

[belonesox]

[blizzz]

Indeed your fix would fix the path.

Actually it is a wrong screenshot thought, and refers only to that one already shown on top of the read me. Once upon a time, this screenshot was being used there: https://github.com/nextcloud/workflow_script/blob/ee8753ffa59ff0bd5842692160267d5be094f660/screenshots/example_rule.png

@belonesox do you fancy to take a new, up to date one and place it there?

[belonesox]

Hmm... I can, but screenshot for my example workflow (I spent several hours, debugging generation of PDF from xournal, what placeholders substitutes is not obvious), and I cannot reproduce the example workflow with «style and students». Actually, placeholder for root data (like /var/data/xournalpp) directory looks missing, and I have to hardcore it.

Should I describe the whole my case (and how to debug problems?)

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[blizzz]

@belonesox Sorry, this went under :disappointed:

It is not necessary to replicate the example with style, any other does as well.

Actually, placeholder for root data (like /var/data/xournalpp) directory looks missing, and I have to hardcore it.

If a place holder for the data dir is necessary, such can be added. Should not be a big issue I think, can be taken straight from the config. That would go into a separate PR though :)