v0.1.0

Changelog

• 4162b18: docs(launch-prep): SPEC.md + JSON Schema + NOTICE + README hero rewrite (@skil-lock)
• d755c4d: docs(readme): fix install snippet — use explicit version + go install (@skil-lock)
• f6f9769: dogfood: skil-lock pins its own .claude/skills/ (@skil-lock)
• 5461029: fix(parser): make version field optional in SKILL.md frontmatter (@skil-lock)