L2SS-358: Added simulator base files.

docker-compose/pypcc-sim-base/Dockerfile

+FROM ubuntu:20.04
+
+COPY requirements.txt /requirements.txt
+
+RUN apt-get update && apt-get install -y python3 python3-pip python3-yaml git && \
+    pip3 install -r requirements.txt && \
+    git clone --depth 1 --branch master https://git.astron.nl/lofar2.0/pypcc
+
+WORKDIR /pypcc
+CMD ["python3","pypcc2.py","--simulator","--port","4843"]

docker-compose/pypcc-sim-base/requirements.txt

+opcua
+numpy
+recordclass>=0.16,<0.16.1
\ No newline at end of file