✨ customizable newsletter

CLAUDE.md

@@ -257,6 +257,7 @@ Global configuration in `comics_data.py`:
 - `USE_HEADER_NAV_ICONS`: Set to True to display icons next to main header navigation text (uses alert.png, archive.png, info.png)
 - `USE_FOOTER_SOCIAL_ICONS`: Set to True to use icons instead of text for footer social links (uses instagram.png, youtube.png, mail.png, alert.png)
 - `NEWSLETTER_ENABLED`: Set to True to show newsletter section in footer
+- `NEWSLETTER_HTML`: Custom HTML for newsletter form (user pastes their service's form code here)
 - `SOCIAL_INSTAGRAM`: Instagram URL (set to None to hide)
 - `SOCIAL_YOUTUBE`: YouTube URL (set to None to hide)
 - `SOCIAL_EMAIL`: Email mailto link (set to None to hide)
@@ -318,6 +319,7 @@ Global context variables injected into all templates:
 - `use_header_nav_icons`: Boolean for main header navigation icons from `comics_data.py`
 - `use_footer_social_icons`: Boolean for footer social link icons from `comics_data.py`
 - `newsletter_enabled`: Boolean to show/hide newsletter section from `comics_data.py`
+- `newsletter_html`: Custom HTML for newsletter form from `comics_data.py` (rendered with `| safe` filter)
 - `social_instagram`: Instagram URL from `comics_data.py`
 - `social_youtube`: YouTube URL from `comics_data.py`
 - `social_email`: Email link from `comics_data.py`