Add documentation for how to activate this in the form

Hi,

I have followed instructions and have the library in place per your instructions.

However, i can't find any setting on my image field or image field form display that would involve clicking to enable the dropzone js. I've also tried enabling the entity browser submodule and tried selecting image field > widget/form option to be 'entity browser' instead of 'image' but I still don't see it as an option.

Could you please clarify what are the next steps to use this or where the settings are located to enable this per field, etc?

Thanks!