feat: Introduce application version display in the frontend footer, showing both frontend and backend versions with integrated build arguments.

frontend/src/services/api.js

@@ -33,3 +33,11 @@ export const deleteTodo = async (id) => {
   if (!response.ok) throw new Error('Failed to delete todo');
   return true;
 };
+
+export const getVersion = async () => {
+  // Use the origin to ensure it accesses the /api/version correctly regardless of environment
+  const VERSION_URL = BASE_URL.replace('/todos', '/version');
+  const response = await fetch(VERSION_URL);
+  if (!response.ok) throw new Error('Failed to fetch version');
+  return response.json();
+};