feat: i18n support for codeblock copy text

i18n/en.yaml

@@ -19,6 +19,9 @@ article:
     readingTime:
         one: "{{ .Count }} minute read"
         other: "{{ .Count }} minute read"
+    codeblock:
+        copy: Copy
+        copied: Copied!
 
 notFound:
     title: Not Found

layouts/_default/_markup/render-codeblock.html

@@ -6,9 +6,9 @@
         <button 
             class="codeblock-copy"
             data-id="codeblock-id-{{ .Ordinal }}"
-            data-copied-text="Copied!"
+            data-copied-text="{{ T `article.codeblock.copied` }}"
         >
-            Copy
+            {{ T `article.codeblock.copy` }}
         </button>
     </header>
     <code id="codeblock-id-{{ .Ordinal }}" style="display:none;">{{- .Inner -}}</code>