Add copy button to all code blocks

Change-Id: I1f022c0e17cdaa64801a13d61a79be1414ee7b0b
diff --git a/mkdocs.yml b/mkdocs.yml
index 61fe81a..2f50477 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -7,6 +7,8 @@
   icon:
     logo: material/help-box
   custom_dir: overrides
+  features:
+    - content.code.copy
 repo_name: avm99963/support.avm99963.com
 repo_url: https://github.com/avm99963/support.avm99963.com
 extra_css: ["css/styles.css"]