init method
void
init()
Implementation
void init() {
if (initializeText.isEmptyString) {
controller = QuillController.basic();
} else {
var document = Document.fromJson(JsonUtils.fromJsons(initializeText));
controller = QuillController(
document: document,
selection: const TextSelection.collapsed(offset: 0),
);
controller.moveCursorToEnd();
}
richTextModel = RichTextModel(controller);
}