* add a basic tiff decoder in raw-rs
* cargo fmt
* add readme and license files
* add warning about being in-progress
* add testing framework for raw-rs
* add new type IFD and rename tag
* remove test_each and merge into single test
* cargo fmt
* make sure images folder stays in git
* rename image_length with image_height
* change name of test file
* Readme changes
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Co-authored-by: Keavon Chambers <keavon@keavon.com>
Elbert Ronnie