2a0a23a45b
Keep only the core C++ source and docker/Dockerfile-mini. Removes: - exampleB4a (example executable and associated scripts) - Geant4 macro (.mac) files - ROOT plotting scripts - GNUmakefile (old non-CMake build system) - All Dockerfiles and scripts except Dockerfile-mini Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>