Mkdocs-kroki-plugin

* Allow to render diagrams from file, 12
* Make image path relative, fixes 16 and 25
* Add d2 support 26

Special thanks to tsouvarev, ITopiaJesseGoerzen and HeyLazySunnyKid for the new functions and fixes!

Fixed 22
Thanks jairhenrique

added experimental support for diagramsnet 19

Thanks to pitwegner for this contribution

Adds Structurizr diagram options, fixes 13
and support for alternative file types 15

Special thanks to pgrund and jairhenrique for the new functions!

Adds HTTP-Post option, fixes 2
Very special thanks to oniboni, she adds a lot of code and value to this project!

Adds `FencePrefix` option
Thank you very much for this, oniboni !