Update README regarding JS dependency

[fwolfst]

Cool stuff. As far as I see from the showcase page most stuff (sorting, filtering, pagination) is totally usable without JavaScript. As I am in search for a solution that also works without JavaScript it would be nice if that is reflected in the README. Or am I mistaken?
There might still be some minor issues (i.e. I found in-place-editing to surprisingly not working ;) ), but there a simple enabling of the edit-button only if JS is enabled shouldnt be too problematic.

[FiloSpaTeam]

I confirm that in-place-editing is not working but is a problem with Config initialization if you change hidden class 👍
For example for Bootstrap 4 you need to use d-none and not hidden. I initialized d-none but when merged you have hidden class in your JS configuration.