First implementation (#1)

Reviewed-on: #1

fixtures/records/backend-examplevendor.json

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+{"code_license":{"spdx":"Apache-2.0"},"conditions":[{"id":"revenue-cap","kind":"revenue-cap","usd":5000000},{"id":"no-competition","kind":"no-competition","vendor":"examplevendor"},{"allowed":["research","personal","education","startup"],"id":"purpose","kind":"purpose"}],"format":"scienting-backend/1","name":"examplevendor","processor":"local","stage":"read","version":"1.0","weights":[{"license":{"text":"A fictional weight license with conditions."},"name":"example weights"}]}