✨ feat(micro): add microblogging section to homepage

- Add micro section display on homepage with RSS feed
- Support configurable section name via micro_section_name
- Add toggle via show_micro config option
- Create templates/partials/main_page_micro_list.html
- Add sass/parts/_micro.scss for styling
- Include RSS icon next to section heading

Closes #1

sass/main.scss

@@ -12,6 +12,7 @@
 @use 'parts/_image-hover.scss';
 @use 'parts/_image-toggler.scss';
 @use 'parts/_image.scss';
+@use 'parts/_micro.scss';
 @use 'parts/_misc.scss';
 @use 'parts/_multilingual_quote.scss';
 @use 'parts/_pagination.scss';