Manually add text for classification in react-image-annotate

[arhmnsh]

I am planning to use react-image-annotate to annotate images by drawing polygons. But react-image-annotate by default only allows selecting a classification from a predefined list.

I wanted something like this library react-image-annotation where you can draw a bounding box and it shows you a field in which you can enter custom text.

The documentation says it is possible to build a custom form using RegionEditLabel, but there is no clear documentation for it.

[arhmnsh]

I have asked the same question on StackOverflow, which is having a bounty for the approved answer: https://stackoverflow.com/questions/66828641/manually-add-text-for-classification-in-react-image-annotate

@seveibar requesting your support please.