Final Shiny prototype

This release captures the final state of the Shiny prototype version of DiAGRAM

DiAGRAM dev

This was the prototype version shared on https://nationalarchives.shinyapps.io/DiAGRAM-dev/ for our initial workshops. User feedback on this version then prompted the revised UI for the final prototype version shared on https://nationalarchives.shinyapps.io/DiAGRAM/