- Introduce `create_outlook_html` function for generating Outlook-compatible newsletter HTML.
- Update dashboard to include `outlook_html` in the response.
- Modify newsletter generation logic to support separate handling of Outlook HTML.
- Improve CSS styles for newsletter preview and layout adjustments.
- Add new button for downloading HTML directly from the dashboard.
- 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.
