chore: v5.7.0

- Remove APlayer/Meting music player support
- Upgrade Artalk to 2.10.0 and add vote feature
- Cache plugins.yml to avoid re-rendering on every generate
- Add null safety for error_404 and highlight config
- Fix series date timestamp format
- Enhance shuoshuo mockPost compatibility and error handling
- Prevent scrollbar flicker when fancybox is open
- Update plugin versions (docsearch, katex, twikoo)
- Bump version to 5.7.0

layout/includes/third-party/comments/index.pug

@@ -43,4 +43,13 @@ hr.custom-hr
           when 'Remark42'
             #remark42
           when 'Artalk'
+            if theme.artalk.vote
+              .artalk-vote
+                span.artalk-page-vote-up
+                  i.fas.fa-thumbs-up
+                  span.artalk-page-vote-up-count
+                span.artalk-page-vote-down
+                  i.fas.fa-thumbs-down
+                  span.artalk-page-vote-down-count
             #artalk-wrap
+