- Restructured the project into a Node.js/Express application.
- Implemented EJS for server-side templating (views/index.ejs).
- Externalized all text content into JSON files (data/en.json, data/fa.json)
  for internationalization (i18n).
- Server (server.js) now loads language data based on query parameters
  (e.g., /?lang=en) and renders the EJS template with the appropriate content.
- Client-side JavaScript (public/js/script.js) updated for:
    - Language toggle functionality to switch between English and Persian.
    - PDF/Word download logic now uses localized text from JSON data for
      buttons and filenames.
    - Improved RTL support in PDF and Word document generation.
- CSS (public/css/style.css) updated with RTL-specific rules for layout and text direction.
- Added a Dockerfile for containerizing the application.
- Updated package.json with a start script and relevant dependencies.
- Updated README.md with new project structure, setup instructions for local
  and Docker environments, and details on content customization via JSON.