add docker file

Dockerfile

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+FROM ubuntu:22.04
+# build dependencies
+RUN apt-get update && apt-get install -y coreutils  
+RUN apt-get install -y python3 python3-pip
+RUN apt-get install -y git
+
+# copy necessary databook files
+# COPY databook_utils /databook_utils
+# COPY data /data
+# COPY docs /docs
+# COPY setup.py /setup.py
+# COPY requirements.txt /requirements.txt
+# COPY README.md /README.md
+# COPY LICENSE.txt /LICENSE.txt
+RUN git clone https://github.com/AllenInstitute/openscope_databook.git
+
+# set up databook dependencies
+RUN pip install numpy
+RUN pip install cython
+RUN pip install -e ./openscope_databook
+
+# # set up test suite dependencies
+# RUN pip install jupyter-book markupsafe==2.0.1 jupyter==1.0.0 -U jupyter-book==1.0.0 nbmake==1.5.3 pytest-xdist==3.5.0