Add upsert endpoint
Add upsert endpoint

This takes a list of apiaries, and either updates or inserts
them given the presence or absence of an id.

This can be used to update a set of apiaries when they have
new scores in the front-end.

project-icp/bee-pollinator-app,project-icp/bee-pollinator-app,project-icp/bee-pollinator-app,project-icp/bee-pollinator-app