* modeld: configurable camera offset
Negative Values: Shears the image to the left, moving the models center to the Right.
Positive Value: Shears the image to the right, moving the models center to the Left.
* modeld: camera offset class
* verify zero offset I @ A = A
* slithered and slunked
* Update params_metadata.json
* wait
* Update model_renderer.py
* Update model_renderer.py
* requested changes
* stricter
* Update model_renderer.py
* more
* return default
* Update params_metadata.json
* final
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Co-authored-by: Jason Wen <haibin.wen3@gmail.com>