feat: add support for giscus strict title matching (#1614)

Author: GetOutOfMyBakery

_config.yml

@@ -114,6 +114,7 @@ comments:
     category:
     category_id:
     mapping: # optional, default to 'pathname'
+    strict: # optional, default to '0'
     input_position: # optional, default to 'bottom'
     lang: # optional, default to the value of `site.lang`
     reactions_enabled: # optional, default to the value of `1`

_includes/comments/giscus.html

@@ -25,6 +25,7 @@
       'data-category': '{{ site.comments.giscus.category }}',
       'data-category-id': '{{ site.comments.giscus.category_id }}',
       'data-mapping': '{{ site.comments.giscus.mapping | default: 'pathname' }}',
+      'data-strict' : '{{ site.comments.giscus.strict | default: '0' }}',
       'data-reactions-enabled': '{{ site.comments.giscus.reactions_enabled | default: '1' }}',
       'data-emit-metadata': '0',
       'data-theme': initTheme,