Feature Request from User: Adding v_parameterization / V-Prediction option to LoRA Trainer

Kohya settings v_parameterization - Vpred, or V-Prediction, or V-Parameterization, are all the same thing. While I don't fully understand it at a technical level, as far as I am aware it is an optimization to the noise schedulers that "predicts" outputs during image generation, allowing for a final result to be generated in fewer steps.

The furry community has created a script (https://github.com/ArgentVASIMR/FD-LoRA/blob/ad132e92f7aa4c55ae04ef6f0321d30349d5feea/use-me.ps1#L161-L164) that passes the following to Kohya’s sd-scripts: --v_parameterization --zero_terminal_snr --noise_offset=0