Adding ability to create applicant in SMI from CamSIS feed...
Adding ability to create applicant in SMI from CamSIS feed (https://gitlab.developers.cam.ac.uk/uis/devops/digital-admissions/legacy-smi/-/issues/3)
Closes https://gitlab.developers.cam.ac.uk/uis/devops/digital-admissions/legacy-smi/-/issues/3