cannot support to convert to Thai language

[bigboss27051]

flutter lib google_mlkit_text_recognition in version 0.11.0 cannot support Thai language

Ref: https://developers.google.com/ml-kit/vision/text-recognition/v2/languages

[fbernaly]

If your Language is not included in that list then it is not supported.

PLEASE reach out to Google directly with your request to add support for that language:

• https://github.com/googlesamples/mlkit/issues