v0.1.0

First release of source-watch: local, deterministic change-monitoring for web sources your agent depends on.

• init/check/report CLI (scripts/watch.py)
• noise-reduced extraction (html.parser), optional CSS selector
• change types: content / title / new / gone
• severity HIGH when watch keywords/regex match
• file:// + http(s) fetcher, zero third-party dependencies
• 36 offline tests green, GitHub Actions wired