Open images in ImageJ

@heriche cc @halavaty @ext.hmbotelho

Could that maybe work for us?

https://github.com/imjoy-team/imagej.js#sharing-images-macro-or-plugins-with-url-parameters

See also this thread:

https://forum.image.sc/t/open-an-image-in-imagej-js-via-http-api/44274