Working Workflow Example

Some notes:
- because this is living in the kernel-tutorials repo, I expanded the sections on methods covered _in_ kernel tutorials, but left the methods not covered in kernel-tutorials somewhat cursory. In other words, cells for librascal and chemiscope are somewhat succinct, although this can be brought up for debate.
- I've left the notebook unstripped so that you don't have to run it to see the output. We can strip upon merge.
- There is the resulting chemiscope file for viewing under `notebooks/kpcovr-chemiscope.json`

Author: rosecers