v0.1.0

• Initial workspace import of kawat crates (core, extract, html, xpath, metadata, output, CLI, etc.).
• Added date parsing regex fallback and chrono clock feature for htmldate-rs.
• Implemented FromStr for OutputFormat and hardened CLI format parsing.
• Resolved clippy warnings (unused imports/vars, format args) across crates.
• Added .gitignore and .pre-commit-config.yaml (fmt, clippy, cargo-audit) and ensured hooks pass.