* first batch of structure improvements for model_docs
* second batch of structure improvements for model_docs
* more structure improvements for model_docs
* more structure improvements for model_docs
* structure improvements for cv model_docs
* more structural refactoring
* addressed feedback about image processors
* Squash 88 commits
* Use markdown
* Remove mdx files due to bad rebase
* Fix modeling files due to bad rebase
* Fix style
* Update comment
* fix
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Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>