add dockerfile for tutorial

Dockerfile

@@ -0,0 +1,17 @@
+FROM molssi/debian-bullseye-slim-dev:latest
+
+LABEL maintainer="Mohammad Mostafanejad, \
+                  Molecular Sciences Software Institute"
+
+ENV CONDA_PREFIX /opt/conda
+ENV PATH ${CONDA_PREFIX}/bin:$PATH
+
+COPY --from=condaforge/mambaforge ${CONDA_PREFIX} ${CONDA_PREFIX}
+
+RUN echo ". ${CONDA_PREFIX}/etc/profile.d/conda.sh" >> $HOME/.bashrc \
+ && echo "conda activate base" >> $HOME/.bashrc \
+ && conda update conda \
+ && mamba clean -ay \
+ && find ${CONDA_PREFIX} -follow -type f -name '*.a' -delete \
+ && find ${CONDA_PREFIX} -follow -type f -name '*.pyc' -delete \
+ && find ${CONDA_PREFIX} -follow -type f -name '*.js.map' -delete