Creates deployments and deployment_logs tables for tracking all
deployment types (Docker, MCP, iOS/macOS, services). Includes
deployment status, timing, git integration, and structured logging.
Also adds run-migration.mjs helper for running migrations against
PostgreSQL database.
Part of CF-290, completes CF-291.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
