b16ee811e3
- Introduced `campaign_type` field in `NewsletterCampaign` model to differentiate between general and weekly newsletters. - Added `weekly_articles` ManyToMany field to associate articles with weekly newsletters. - Implemented `item_template_html` for customizing the appearance of articles in weekly newsletters. - Updated forms and views to handle new fields and validation logic for weekly newsletters. - Created a new view for selecting newsletter types before creating a campaign. - Enhanced the newsletter editor UI to show/hide fields based on the selected campaign type. - Added JavaScript functionality for paginating article selections in the editor. - Updated CSS for new UI components related to newsletter campaigns. - Created a migration to add new fields to the `NewsletterCampaign` model. - Added a template for the newsletter type selection page.