Feature: Compact/inline reactions layout option

Problem

Currently, the reactions section displays prominently above the comments section with the reaction count and emoji button centered, taking up significant vertical space:

0 reactions
    
    
23 comments - powered by giscus

This creates visual separation between the reaction count and comment count, making the comment section feel disconnected.

Proposed Solution

Add a configuration option (e.g., data-reactions-layout or data-compact-reactions) to display reactions inline with the comment count:

0 reactions  | 23 comments - powered by giscus

Or similar compact layout that keeps related information together.

Use Case

• Cleaner, more compact comment section header
• Better visual hierarchy (reactions and comments are both engagement metrics)
• Reduced vertical space usage
• Better user experience on mobile/smaller viewports

Alternative Solutions

1. Option to display reactions after comment count instead of before
2. Option to hide reactions count when zero (only show emoji button)
3. CSS customization API to allow embedders to restyle the layout

Additional Context

Currently using Giscus on a blog where the separated layout feels disconnected. The comment count and reaction count are both engagement metrics and would benefit from being visually grouped together.

Would be happy to contribute a PR if the maintainers are open to this enhancement!