Enable strict mode for comments configuration

Author: OCEANOFANYTHING

_config.yml

@@ -124,7 +124,7 @@ comments:
     category: General
     category_id: DIC_kwDOOiyncs4CpqlU
     mapping: <title>
-    strict: 0
+    strict: 1
     input_position: bottom
     lang: # optional, default to the value of `site.lang`
     reactions_enabled: 1