fix: code copy issue for code blocks in shortcode (#201)

* chore: add translation key for copy code button title

* chore: remove id from code block elements

* fix: copy the correct code target in code-copy.js

* chore: update details.md

* chore: remove console.log :)

* chore: remove `$` in shell commands

* chore: update docs

exampleSite/content/docs/guide/shortcodes/details.md

@@ -24,7 +24,7 @@ This will be hidden by default.
 
 ## Usage
 
-````
+````markdown
 {{%/* details title="Details" */%}}
 
 This is the content of the details.
@@ -34,7 +34,7 @@ Markdown is **supported**.
 {{%/* /details */%}}
 ````
 
-````
+````markdown
 {{%/* details title="Click me to reveal" closed="true" */%}}
 
 This will be hidden by default.