feat: release version 2.0.0

[ninedter]

Summary

• release PCAP Hunter 2.0.0 with a dedicated MITRE ATT&CK analysis workspace, capture-quality telemetry, validated streaming uploads, and richer headless API results
• keep deterministic evidence visible when LLM reporting is skipped or unavailable, and harden Docker LM Studio routing, case persistence, HTTP carving, and UTC PDF timestamps
• rewrite the English and Traditional Chinese README material and recapture all 11 screenshots from the real Docker Streamlit UI with isolated data and pixel-level sensitive-value redaction

Review fixes included

• tolerate malformed flow timestamps in capture metrics
• preserve restored analyst dispositions and notes across Streamlit reruns
• report Zeek detector availability correctly in API capture metrics
• prevent duplicate OpenAPI operation IDs and align package/API documentation versions
• update ATT&CK 19.1 and Navigator 5.3.2 export metadata

Verification

• make verify — 1,006 passed, 22 skipped
• make docker-verify — 1,006 passed, 22 skipped
• focused release suite — 222 passed
• final OCR privacy audit — all 11 screenshots passed for IPv4, IPv6, email, API-key, and local-path patterns
• Markdown link audit — passed for the release README, manuals, and API reference