htan2fhir second refinement

[teslajoy]

• file -> file : missing relations in data source
• combinatorial medications: requires data cleaning
• content harmonization : requires data cleaning
• assay hierarchy: follow model.py

[teslajoy]

https://github.com/ohsu-comp-bio/HTAN-FHIR/blob/main/model.py

[teslajoy]

above model doesnt use the correct or complete schematic schema. take as example.