* page breaks for pptx
* added page breaks for image/pdf
* tests for images with page breaks
* page breaks for html documents
* linting, linting, linting
* changelog and bump version
* update docs
* fix typo
* refactor reusable code to common.py
* add type back in
Adds partition_image to partition image file types, which is integrated into the partition brick. This relies on the 0.2.2 version of unstructured-inference.