add support for uploading ODD to profiler

[kepper]

Can we estimate the work necessary to support

• download RelaxNG
• upload ODD

I think it's more important to support RelaxNG, but I am happy to look into the effort necessary to support ODD upload. I would expect this to require significant work, though.

[anneferger]

Download RelaxNG: Edirom/MEIGarage#31

[anneferger]

• Also when doing this add note in which format local files should be

[kepper]

sorry for picking the wrong repo – I thought we had it somewhere, but didn't find – and it was late in the day ;-)

[anneferger]

RelaxNG export done, see https://meigarage.edirom.de/profiler; 736c2f2