[carlosm] Add sdf files for FULL variant, pending cross-references, witing for an answer from pronto

[carlosm] Add sdf files for FULL variant, pending cross-references, witing for an answer from pronto

[carlosm] Remove extra targets in GeneratePostgresSQLDumps step, add README.md in SDF folder, add new functions in file_functions

[carlosm] Update sdf templates, check sdf files with RDKit fragment of code, add LICENSE and sdf txt templates

[carlosm] Advance in SDF files, included SDFManager class, improved folder structure, update LICENSE

[carlosm] Fix error in the generation fo tenplates, now delete_checkpoints method is in the last step on the ETL. Also, included LICENSE as part of the template folders