Add orders ednpoints

[shuaitseng]

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[cubic-dev-ai]

No issues found across 4 files

_{Shadow auto-approve: would require human review. This PR adds new API endpoints for orders and a new matchMetadata method for teams, which is a non-trivial addition to the SDK's public interface that should be reviewed by a human to verify correctness and completeness.
Re-trigger cubic}

[cubic-dev-ai]

0 issues found across 3 files (changes from recent commits).

_{Shadow auto-approve: would require human review. This PR adds new API endpoint definitions for Orders and a Teams metadata method, introducing new code paths that require human review to verify correctness and impact.
Re-trigger cubic}