Live RGB data
Update visualisation on Spectroscopy page with 'R', 'G', 'B' maps An SSE end point (/api/data/events) tells us when scans start/stop and the data files corresponding to the running scan. When a scan is running, we poll /api/data/map three times for R G and B channels. Co-authored-by: Douglas Winter <douglas.winter@diamond.ac.uk>