Get Curzon cinema data

[alistairjcbrown]

9 London cinemas for Curzon -- https://www.curzon.com/venues/all-london-cinemas/

Notes:

• Requests look to use OCAPI standard - https://developer.vista.co/openapi/digital-platform/reference/operation/OcapiFilms_GetShowtimesForFilm/
• Main venue pages make lots of requests off to get shows, query many dates, etc.
• Some data is cached -- if you can't see any XHR requests, try clearing cache / private browser