feat(output): add wrapper and failed conversion handling

output/Docker/Dockerfile

@@ -0,0 +1,26 @@
+FROM debian:bookworm
+
+ENV DEBIAN_FRONTEND=noninteractive \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
+RUN apt-get update \
+    && apt-get install --yes --no-install-recommends \
+        python3 \
+        python3-venv \
+        gosu \
+        pandoc \
+        texlive-full \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY watch_and_convert.py entrypoint.sh ./
+
+RUN chmod +x /app/entrypoint.sh /app/watch_and_convert.py
+
+ENV PUID=1000 \
+    PGID=1000
+
+ENTRYPOINT ["/app/entrypoint.sh"]