New Raido schema block: OrganisationBlock

[robleney-ardc]

In this discussion, "organisation" means OrganisationBlock
Legacy schema does not require (or support) organisations.

Raido schema:

Currently optional but in future every raid will need at least one organisation.
Organisation must have a Role.
There must be at least one organisation designated as 'Lead Research Organisation'.
There cannot be more than one organisation with a role of 'Lead Research Organisation'.
Funders should not be listed as organisations

Note that I didn't refresh the DB, viewing any RaidoSchemaV1 raid minted before 2022-12-09 will cause an error because it has no organisations.