add Docker configuration and news crawler implementation

Dockerfile

@@ -0,0 +1,17 @@
+FROM node:22-bookworm-slim
+
+ENV NODE_ENV=production
+
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+RUN npm ci --omit=dev \
+  && npm cache clean --force \
+  && mkdir -p /data \
+  && ln -s /data/archive.sqlite /app/archive.sqlite
+
+COPY . .
+
+EXPOSE 3001
+
+CMD ["npm", "start"]