Document how Algolia search is working
We are relying on a 3rd party service https://community.algolia.com/docsearch, so we need to document how that's working.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
We are relying on a 3rd party service https://community.algolia.com/docsearch, so we need to document how that's working.