Add initial project structure with Docker support and chapter downloading functionality

- Created .dockerignore and .gitignore files to exclude unnecessary files from Docker builds.
- Added Dockerfile for multi-stage build setup, including dependencies and production environment configuration.
- Introduced docker-compose.yml for service orchestration, including FlareSolverr and the main application.
- Implemented core functionality for downloading manga chapters, including utilities for handling file paths and chapter metadata.
- Added ESLint configuration for code quality and consistency.
- Included JSDoc configuration for documentation generation.
- Established initial package.json and package-lock.json with necessary dependencies for the project.

Dockerfile

@@ -0,0 +1,44 @@
+# syntax=docker/dockerfile:1
+
+FROM node:22-bookworm-slim AS web-build
+WORKDIR /app
+
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends python3 make g++ \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY package.json package-lock.json ./
+RUN npm ci
+
+COPY web ./web
+COPY src ./src
+RUN npm run build:web
+
+FROM node:22-bookworm-slim AS runtime
+WORKDIR /app
+
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends python3 make g++ \
+  && rm -rf /var/lib/apt/lists/*
+
+ENV NODE_ENV=production
+ENV DATA_DIR=/app/data
+ENV PORT=3000
+ENV WATCH_CRON="0 * * * *"
+ENV WATCH_TITLE_INTERVAL_HOURS="24"
+
+COPY package.json package-lock.json ./
+RUN npm ci --omit=dev \
+  && apt-get purge -y python3 make g++ \
+  && apt-get autoremove -y \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY src ./src
+COPY --from=web-build /app/public ./public
+
+RUN mkdir -p /app/data
+
+EXPOSE 3000
+VOLUME ["/app/data"]
+
+CMD ["node", "src/server/index.js"]