SPIKE: Connector level model validation

[hacksparrow]

Follow up of loopbackio/loopback-next#3456.

Find out what it takes to implement model validation at the connector level. We may eventually do it for other connectors as well.

Acceptance criteria

• Make a note of any unexpected challenges
• Develop a general direction about how we want to go with the implementation
• Create follow up task(s)

[jannyHou]

Discussion within team:

• We may need more details about the user scenarios and why need connector level validation
• It will introduce new responsibility for connector developers

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[stale]

This issue has been closed due to continued inactivity. Thank you for your understanding. If you believe this to be in error, please contact one of the code owners, listed in the CODEOWNERS file at the top-level of this repository.