Add: Free Lunch (experimental)

[tin2tin]

This is an experimental feature. So, let me know how it works for you. Feedback is very important.
Read about it here: https://github.com/ChenyangSi/FreeU

For this to work, you'll need to uninstall the Diffusers module, restart Blender and hit Install Dependencies.

Here are some of my quick tests:

It seems to correct some of the deformities, but color wise it is too dark and plastic-like for my taste.

[tin2tin]

Using the values from here: https://wandb.ai/nasirk24/UNET-FreeU-SDXL/reports/FreeU-SDXL-Optimal-Parameters--Vmlldzo1NDg4NTUw?accessToken=6745kr9rjd6e9yjevkr9bpd2lm6dpn6j00428gz5l60jrhl3gj4gubrz4aepupda

... just blows my mind ...and it should work on video too!