Replaced cron with python scheduler and using python yaml library. Updated readme.

Dockerfile

@@ -1,30 +1,17 @@
 FROM python:3.11-slim
 
-# Install required utilities
-RUN apt-get update && apt-get install -y \
-    curl \
-    cron \
-    tzdata \
-    && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y --no-install-recommends curl tzdata && rm -rf /var/lib/apt/lists/*
 
-# Install python dependencies
-RUN pip install --no-cache-dir requests
+RUN pip install --no-cache-dir requests pyyaml schedule
 
-# Create crontabs directory (if needed)
-RUN mkdir -p /etc/crontabs
+ENV TZ=Europe/Paris
 
-# Copy scripts
-COPY update-blocklist.py /usr/local/bin/update-blocklist.py
-COPY entrypoint.py /usr/local/bin/entrypoint.py
-
-# Make scripts executable
-RUN chmod +x /usr/local/bin/update-blocklist.py /usr/local/bin/entrypoint.py
-
-# Set default timezone (can be overridden with TZ env var)
-ENV TZ=UTC
-
-# Configure timezone (tzdata)
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
-# Set entrypoint
-ENTRYPOINT ["/usr/local/bin/entrypoint.py"]
+WORKDIR /app
+
+COPY blocklist_scheduler.py /app/blocklist_scheduler.py
+
+RUN chmod +x /app/blocklist_scheduler.py
+
+ENTRYPOINT ["python3", "/app/blocklist_scheduler.py"]