Add an image object field type

[RyanChamayrac]

Context

It would be nice to be able to see a picture directly when navigating through an object.

The closest way I found for now is to have a note containing the image (here the red dot) that when clicked displays the image, but then the only way to go back to the list is to hit navigation back in the browser.

Possibly expected feature

To be able to have, within an object, a field type called "image", which would accept either a file or a url as value.
The image is then displayed in the object list as a small preview.
When clicked the image can be displayed in its proper size as a modal window.
When the field is clicked around the image, the image source can be modified.