docs: list code block copy button config (#412)

* fix: list code block copy button config * Mention copy button config in the guide
imfing · Jul 7, 2024 · 56f6f19 · 56f6f19
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diff --git a/exampleSite/content/docs/guide/syntax-highlighting.md b/exampleSite/content/docs/guide/syntax-highlighting.md
@@ -78,11 +78,18 @@ def main():
     say_hello()
 ```
 
-
 ### Copy Button
 
-By default, copy button is enabled for code blocks.
+By default, copy button is enabled for code blocks. Its behavior can changed by modifying the site configuration file:
 
+```yaml {linenos=table,linenostart=42,filename="hugo.yaml"}
+params:
+  highlight:
+    copy:
+      enable: true
+      # hover | always
+      display: hover
+```
 
 ## Supported Languages
 

diff --git a/exampleSite/hugo.yaml b/exampleSite/hugo.yaml
@@ -151,6 +151,12 @@ params:
       sortBy: date
       sortOrder: desc # or "asc"
 
+  highlight:
+    copy:
+      enable: true
+      # hover | always
+      display: hover
+
   comments:
     enable: false
     type: giscus