feat(i18n): localize status messages and UI elements across various tools

src/pages/organize-pdf.html

@@ -197,7 +197,11 @@
           </div>
         </div>
 
-        <button id="process-btn" class="hidden btn-gradient w-full mt-6">
+        <button
+          id="process-btn"
+          class="hidden btn-gradient w-full mt-6"
+          data-i18n="tools:duplicateOrganize.saveChanges"
+        >
           Save Changes
         </button>
       </div>