CCM-16644: Add an eventsub Module#189

gareth-allan wants to merge 2 commits intomainNHSDigital/nhs-notify-shared-modules:mainfrom

feature/CCM-16644_create_eventsub_moduleNHSDigital/nhs-notify-shared-modules:feature/CCM-16644_create_eventsub_moduleCopy head branch name to clipboard