Request: Notebook demonstrating pymatgen transformations capabillities

[shyamd]

Requesting an example notebook of using the transformations framework in pymatgen to create structures with full provenance of how they were generated.

• using various transformations
• chaining transformations
• the one to many concept
• converting to a SNL
• embedding provenance for original structure into SNL ( e.g. ICSD, MP, OQMD, etc. IDs and info)