enhancement: add ocr_only strategy for `partition_image` (#540)
* spike for ocr-only strategy for images
* fix for file processing
* extra space
* add korean to ci
* added test for ocr_only strategy
* added docs for ocr_only
* changelog and version
* added test for bad strategy
* skip korean test if in docker
* bump version
* version bump
* document valid strategies
* bump version for release
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Co-authored-by: qued <64741807+qued@users.noreply.github.com>