ocr_img_wrapper: ocr image wrapper
In Atan1988/alvision: reading documents using computer vision

ocr image wrapper

ocr_img_wrapper(
  img_file,
  hmax = 100,
  cropped_tm_dir,
  azure_creds,
  box_push_to_az = F,
  box_highlight = F,
  remove_fl = F
)

`img_file`	img file path
`hmax`	maximum box height to include
`cropped_tm_dir`	temporary dir for cropped img
`azure_creds`	azure credential
`box_push_to_az`	whether to push the individual boxes to azure
`box_highlight`	whether to highlight boxes, this allows the check to use results from the main push if it seems to work well
`remove_fl`	whether to remove files written by the box level push