Adding addtional information and content.

Removing the automating email sending behaviour upon SLURM errors.

Correction relative to bare-metal SLURM clusters.

Updates to simplify the usage of the artifact.

Providing an update to the `scripts/` directory.

 - This commit provides an update to the README.md file. This file now
   contains a short documentation of the script files.
 - Correcting various errors in the script files.

Update to the main README.md file.

Providing an update to the README.md file in the notebooks/ directory.

Bug fix in the Jupyter notebooks.

Update to the README.