v0.0.0

Changelog

• 082d63a: ci: GitHub Actions, composite action, and GoReleaser + Homebrew (Blair Hamilton blairham@me.com)
• 81fe131: feat: image build, signing, SBOM, and changelog stages (Blair Hamilton blairham@me.com)
• 78d5534: feat: monorepo change detection with project-graph scoping (Blair Hamilton blairham@me.com)
• a80afb2: feat: pipeline orchestration, CLI, and config scaffolding/import (Blair Hamilton blairham@me.com)
• 04a6777: feat: pluggable per-image versioning (git/registry/ecr/static/env/command) (Blair Hamilton blairham@me.com)
• ccbf4fc: feat: project foundation, config schema, and core primitives (Blair Hamilton blairham@me.com)
• 4d9cc02: feat: release loop — GitHub release, announce, SBOM diff, smoke test, summary (Blair Hamilton blairham@me.com)
• aa8e450: feat: vulnerability scan gate and image verification (Blair Hamilton blairham@me.com)