Added Dockerfile for compiling

Dockerfile

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+# Use a lightweight TeX Live base image
+FROM texlive/texlive:latest
+
+# Install required packages
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    texlive-fonts-extra \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Create a user and group with the same IDs as the host user
+ARG UID=1000
+ARG GID=1000
+RUN groupadd -g ${GID} user && \
+    useradd -m -u ${UID} -g ${GID} user
+
+# Switch to the newly created user
+USER user
+
+# Set the working directory in the container
+WORKDIR /workdir
+
+# Copy the LaTeX project into the container
+COPY . /workdir
+
+# Set the default command to compile the LaTeX file
+CMD ["latexmk", "-pdflua", "slides.tex", "-shell-escape"]

README.md

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+# Compile using docker:
+
+```sh
+# Build image
+docker build --build-arg UID=$(id -u) --build-arg GID=$(id -g) -t latexmk-luatex .
+
+# Compile .pdf
+docker run --rm -v $(pwd):/workdir latexmk-luatex
+```