enable multi-GPU training (DDP)

remove lightning, instead use native torch

enable multiple GPU training

add utilities.py for DRY

add .gitignore

add environment.yml

add printout for model load

enable training of loaded model object

add main.py for remote host training

readme update

README update

update model object save path

death by README

config, README update; delete .ipynb in lieu of colab

config, README updates