[6] Differentiability over the gradient space for potential joint training and temperature annealing methods

finalize gumbel and also add semantic id generation

config

remove old notebooks

add gumbel softmax (reparametrization trick) and Temperature Annealing methods for it

fix git ignore

Merge pull request #4 from justinhangoebl/movielens100k

hypertuning and ml-1m

push ml100k dataset test - users only

Merge pull request #3 from justinhangoebl/JH/test_images

movielens

add config and runs

fix wandb init, remove plot show and add iterations

remove outputs

Merge pull request #2 from JH/wandb