Route
save_captured_data
Goal
Checks if the user is a registered user in CJ MGMT, and if is added as a participant to the current ongoing Code Jam, if so, creates a new Jam Specific Info entry, for the current ongoing jam. Otherwise, updates the Jam Specific info entry.
Response code if succeded (updates or created):  201
Otherwise: 400
For reference, see the Miro board. (Graph 5)