implement acknowledgement

template/classic/common.typ

@@ -244,6 +244,16 @@
   );
 }
 
+// ACKNOWLEDGEMENT PAGE
+
+#let acknowledgement(language, content) = {
+  if is_none(content) {
+    return;
+  }
+  heading(get_lang_item(language, "acknowledgement"), numbering: none, outlined: false);
+  par(content.at(language));
+}
+
 // ABSTRACT
 
 #let abstract(language, title, content, keywords) = {