* slurm example and make preprocess play nicely
* start slurm if it init file exists
* remove incorrect comment
* feat: add slurm docs
---------
Co-authored-by: NanoCode012 <nano@axolotl.ai>
* add a basic notebook for lab users in the root
* update notebook and fix cors for jupyter
* cell is code
* fix eval batch size check
* remove intro notebook