Provide a runbook

[yudizhangzyd]

Hi! Thanks for the great work, I am wondering if it is possible to provide some more commands for people to play around with. Somehow this command python3 runnables/train_multi.py -m +dataset=cancer_sim +backbone=ct +backbone/ct_hparams/cancer_sim_domain_conf='0','1','2' exp.seed=10,101,1010,10101,101010 has some errorsm related to hydra... raise ValueError( ValueError: Config group override must be a string or a list. Got int

Thanks!