dist/docker (a runtime dockerfile and a compose file that published
PostgreSQL with a fixed password) was from early development and never
offered. Removed with its commented-out lines in build-release.bat and
the BUILD.md mention; the build-environment Dockerfiles for the docs and
the client stay. F38 (4727 step 7, the last step).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>