Update app.py (#1)

feat(app): enable gpu acceleration and remove word prediction limit

feat(utils): update order_words method with configurable line grouping

feat(models): update trocr model to support bangla language

feat(app): limit text prediction to first 5 words

feat(utils): add word ordering for text extraction

feat(app): add image conversion to cv2 and update input type

refactor(utils): rename resize_and_pad method to resize

refactor(models): use environment variable for Hugging Face token

feat(app): add handwritten text recognition interface

initial commit