feat: Enable and style the code block copy-to-clipboard feature.

Author: MUFFANUJ

docs/assets/stylesheets/theme.css

@@ -179,3 +179,14 @@
   display: none; /* Hide light images in dark mode */
 }
 
+.md-clipboard {
+  opacity: 1 !important;
+}
+
+.md-clipboard:hover {
+  background-color: var(--md-accent-fg-color--transparent);
+}
+
+[data-md-color-scheme="slate"] .md-clipboard:not(:hover) {
+  color: var(--md-default-fg-color--light);
+}

mkdocs.yml

@@ -72,11 +72,11 @@ theme:
         icon: material/brightness-4
         name: Switch to light mode
 
-features:
-  - navigation.instant
-  - navigation.sections
-  - navigation.expand
-  - toc.integrate
+  features:
+    - navigation.instant
+    - navigation.sections
+    - navigation.expand
+    - content.code.copy
 
 markdown_extensions:
   - footnotes