fix(internal): Improve error messages for schema[] options

[kitten]

Resolve #269

Improve error message when:

• tadaOutputLocation is missing in config.schemas[]
• tadaOutputLocation, tadaPersistedLocation, or tadaTurboLocation aren't unique

[changeset-bot[bot]]

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Latest commit: 996c9b04cfe617441a38ddc335dea96ed8c08a87

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