The schema guidance in BEST_PRACTICES.md is a bit out of date and not always the best choice depending on the data source. This PR intends to clarify this guidance and explicitly state that:
Any valid JSON Schema is acceptable.
Targets should accept a valid JSON schema along with data and make a good faith effort to load with the information given.
The schema guidance in BEST_PRACTICES.md is a bit out of date and not always the best choice depending on the data source. This PR intends to clarify this guidance and explicitly state that: