47 - tutorial ldm 3d (#63)

* Initial tutorial draft

* Import LatentDiffusionModel (#54)

* [WIP] Add training step (#54)

* Update training (#54)

* First commit - 3D ldm - quick copy from 2d

* Added Brats data loading and processing and AE KL

* 3 LDM with adversarial loss and amp

* Remove my local CUDA_VISIBLE_DEVICES

* Merge remote-tracking branch 'origin/main' into 47-tutorial-ldm-3D

* Remove hard-coded path

* Accepted incoming changes from main

* Accepting incoming changes in Jupyter notebook

* Revert changes in the VQGAN tutorial (#63)

* Revert changes in the VQGAN tutorial (#63)

Signed-off-by:  Pedro Sanchez  <pedropaulosg@hotmail.com>
Co-authored-by: JessyD <jejedafflon@gmail.com>

Author: SANCHES-Pedro