- Add a new preview banner to indicate the live newsletter display.
- Introduce `copyFromPreviewFrame` function to enable copying the newsletter preview directly.
- Update copy status messages for clarity and improved user guidance.
- Revise button labels in the dashboard for better usability.
- Modify CSS for the newsletter preview frame and add styles for the new preview banner.
- Update `_base_context` to include `active_nav` for dynamic navigation highlighting.
- Revamp `base.html` to improve header layout and navigation links for better user experience.
- Redesign `dashboard.html` to include statistics for new and edited articles, enhancing visibility of content changes.
- Improve `users.html` layout for user management, adding detailed user roles and status indicators.
- Update CSS styles for a cohesive design across the application, introducing new color variables and layout adjustments.
- Change WIKI_API_URL in .env.example and config to point to the new API endpoint.
- Set COOKIE_SECURE to false for local development in .env.example and config.
- Improve the newsletter generation logic to handle new and edited articles separately.
- Add display options for showing date, user, and category in the newsletter output.
- Enhance error handling for Wiki API requests and update templates for better user feedback.
- Update CSS for new UI elements and improve overall layout in dashboard and login pages.
