Draft: feat(Dockerfile): add Dockerfile for local builds

Dockerfile

+FROM ubuntu:24.04
+WORKDIR /usr/local/bin
+
+RUN apt-get update && apt-get install -y python3.8 python3-pip pipx curl pandoc inotify-tools
+RUN pipx install poetry==2.0.0
+# Ensure pipx installs globally and the path is available
+ENV PIPX_BIN_DIR=/root/.local/bin
+ENV PATH=$PIPX_BIN_DIR:$PATH
+#texlive-latex-base texlive-fonts-recommended texlive-fonts-extra texlive-latex-extra curl
+# RUN python3 -m pip install poetry
+RUN curl -L -o decker https://github.com/decker-edu/decker/releases/download/latest/decker-latest-Linux-X64-3f4150d61ca167361b02665da969da769ca98e7c
+RUN chmod +x decker
+
+WORKDIR /usr/app
+VOLUME /usr/app/slides
+COPY . .
+RUN chmod +x entrypoint.sh
+
+EXPOSE 8888
+
+CMD [ "/usr/app/entrypoint.sh" ]
+# RUN /usr/local/bin/decker --server
+# RUN pandoc -t beamer output/fvv-folien-deck.md -o output/public/fvv-folien.pdf
+# RUN decker decks
+#