Create a Kedro case study ecommerce and retail sector

[stichbury]

Child ticket of https://github.com/kedro-org/kedro-devrel/issues/131

This will involve interview of participants in a typical project and write up according to the template. Deliverables:

• Long form written content (blog post/article)
• Deck (1-pager)
• Possible webinar deck (webinar organisation and recording in a separate ticket)