Add `getRapidProContact` to GET a RapidPro contact
Add `getRapidProContact` to GET a RapidPro contact

GET a rapidPro contact using the contact's uuid.

Signed-off-by: Njagi Mwaniki <b6a4ba60ad861b9c9afb6daea7294be4be68f44c@urbanslug.com>

goodbotai/borq,goodbotai/borq