change example function in pagination component

app/assets/javascripts/vue_pagination/index.js.es6

@@ -41,16 +41,14 @@
 
         This is an example:
 
-        const pageInfo = (headers) => {
-          const values = {};
-          values.perPage = +headers['X-Per-Page'];
-          values.page = +headers['X-Page'];
-          values.total = +headers['X-Total'];
-          values.totalPages = +headers['X-Total-Pages'];
-          values.nextPage = +headers['X-Next-Page'];
-          values.previousPage = +headers['X-Prev-Page'];
-          return values;
-        };
+        const pageInfo = headers => ({
+          perPage: +headers['X-Per-Page'],
+          page: +headers['X-Page'],
+          total: +headers['X-Total'],
+          totalPages: +headers['X-Total-Pages'],
+          nextPage: +headers['X-Next-Page'],
+          previousPage: +headers['X-Prev-Page'],
+        });
       */
 
       pageInfo: {