CCBR-991

Time to extract the R3 for CCBR-991 from its Code Workbook to its GitHub repository. This is a job for Josh & Rui.

GitHub: https://github.com/NIDAP-Community/Antitumor-activity-of-entinostat-plus-NHS-IL12

Workbook: https://nidap.nih.gov/workspace/vector/view/ri.vector.main.workbook.8c7cd27a-e79e-4b0b-aa87-0b7cc3d08d4f?branch=Manuscript_Lock_20230824

@phoman14 