This patch introduces the OpenAPI definitions required for the orders
endpoint. It matches the voted RFC.
Sponsored-by: Camden County
Signed-off-by: Matthias Meusburger <matthias.meusburger@biblibre.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
