Still setting up things

docker/README.md

 # Docker container (base) for the converter software
 
 This directory contains all the files needed to create the base Docker image used for the converter software in [projects](projects/).
+
+<!--
+build:
+- go to repo root
+- execute: docker build -f docker/Dockerfile -t mmcifconverter:20220427
+
+run interactive shell for development:
+- make sure files exist: /Users/stefan/Projects/ma-converters.git/projects/pointmutations-haddock/.docker-bash-history
+- execute:
+docker run --rm -i -v /Users/stefan/.bash_profile:/home/mmcif/.bash_profile -v /Users/stefan/.bash_aliases:/home/mmcif/.bash_aliases -v /Users/stefan/.bashrc:/home/mmcif/.bashrc -v /Users/stefan/Projects/ma-converters.git/projects/pointmutations-haddock/.docker-bash-history:/home/mmcif/.bash_history -v /Users/stefan/Projects/ma-converters.git/:/develop -t mmcifconverter:20220427 bash
+
+ -->

pyproject.toml

 [tool.black]
 line-length=80
 
+[tool.pylint.MASTER]
+# A comma-separated list of package or module names from where C extensions may
+# be loaded. Extensions are loading into the active Python interpreter and may
+# run arbitrary code
+extension-pkg-allow-list='ujson'
+
 [tool.pylint.REPORTS]
 reports='no'