v0.2.0 — Rate Limiting

Added

• Rate limiting with --rate-limit / -r.
• Rate limit config support through clank.yaml.
• Rate limit formats: N/s, N/m, and N/h.
• Live stats display for active rate limit and actual throughput.
• Rate limit field in text, JSON, and CSV output summaries.
• Documentation and examples for rate limiting.

Changed

• Output summary now includes Rate Limit: unlimited when no rate limit is active.