feat: v2.0.0 重大重构

- 配置管理重构：统一使用 config/config.yaml
- 运行模式升级：支持 daily/current/incremental 三种模式
- Docker 支持：完整容器化部署方案
- 新增配置文件：config/config.yaml 和 config/frequency_words.txt

docker/Dockerfile

@@ -0,0 +1,36 @@
+FROM python:3.10-slim
+
+WORKDIR /app
+
+# https://github.com/aptible/supercronic/releases
+ENV SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.2.34/supercronic-linux-amd64 \
+    SUPERCRONIC_SHA1SUM=e8631edc1775000d119b70fd40339a7238eece14 \
+    SUPERCRONIC=supercronic-linux-amd64
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends curl && \
+    curl -fsSLO "$SUPERCRONIC_URL" && \
+    echo "${SUPERCRONIC_SHA1SUM}  ${SUPERCRONIC}" | sha1sum -c - && \
+    chmod +x "$SUPERCRONIC" && \
+    mv "$SUPERCRONIC" "/usr/local/bin/${SUPERCRONIC}" && \
+    ln -s "/usr/local/bin/${SUPERCRONIC}" /usr/local/bin/supercronic && \
+    apt-get remove -y curl && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY main.py .
+COPY docker/manage.py .
+COPY docker/entrypoint.sh /entrypoint.sh
+
+RUN chmod +x /entrypoint.sh && \
+    chmod +x manage.py && \
+    mkdir -p /app/config /app/output
+
+ENV PYTHONUNBUFFERED=1 \
+    CONFIG_PATH=/app/config/config.yaml \
+    FREQUENCY_WORDS_PATH=/app/config/frequency_words.txt
+
+ENTRYPOINT ["/entrypoint.sh"]