Add development tools to Dockerfile

Dockerfile

@@ -26,6 +26,8 @@ RUN set -e pipefail; \
     apt-get update -y; \
     apt-get install -y git pip; \
     pip install -r requirements.txt; \
+    # for development, install black & PyLint
+    pip install black pylint; \
     git clone https://github.com/ihmwg/python-ihm.git ihm.git; \
     cd ihm.git; \
     python3 setup.py build; \
@@ -56,4 +58,5 @@ ENTRYPOINT ["/docker-entrypoint.sh"]
 
 # LocalWords:  ARG OST ARGs ENV SRC tmp PYTHONUNBUFFERED Schwede schwedelab py
 # LocalWords:  PYTHONDONTWRITEBYTECODE Bioinformatics sib swiss Biozentrum ihm
-# LocalWords:  modelcif txt WORKDIR pipefail chmod adduser mmcif ENTRYPOINT
+# LocalWords:  modelcif txt WORKDIR pipefail chmod adduser mmcif ENTRYPOINT cd
+# LocalWords:  pylint rf entrypoint