Align project structure with Lesstime: move docker/ to infra/dev/ and
deploy/ to infra/prod/. Update all references in docker-compose,
makefile, CI workflow, Dockerfile, .gitignore and .dockerignore.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Update Dockerfile, nginx, .dockerignore, makefile, CI workflow,
CLAUDE.md, README, release script to use frontend/ instead of
Inventory_frontend/. Remove submodule references from CI and
release script.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>