Added the possibility to define the order of an export. #58
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PR's key points
Added support to configure an order for the export.
How to review this PR?
Carefully please, I have never worked on a plugin project before. I am also not sure if there would be a meaningful test to be written.
Definition of Done
PS: would be cool to have this supported for the swift/iOS version too, but I am not capable of doing that...