feat: standardize admin form limits and guidance

controllers/pageController.js

@@ -8,7 +8,7 @@ exports.getAllPages = async (req, res) => {
     const pages = content.pages || [];
     
     res.render('admin/pages/index', {
-      title: 'Quản lý trang',
+      title: 'Page Management',
       pages
     });
   } catch (err) {
@@ -21,7 +21,7 @@ exports.getAllPages = async (req, res) => {
 // Hiển thị form tạo trang mới
 exports.getAddPage = (req, res) => {
   res.render('admin/pages/add', {
-    title: 'Thêm trang mới'
+    title: 'Add New Page'
   });
 };
 
@@ -95,7 +95,7 @@ exports.getEditPage = async (req, res) => {
     }
     
     res.render('admin/pages/edit', {
-      title: 'Chỉnh sửa trang',
+      title: 'Edit Page',
       page
     });
   } catch (err) {
@@ -225,4 +225,4 @@ exports.getPageBySlug = async (req, res) => {
       message: 'An error occurred while loading the page. Please try again later.'
     });
   }
-}; 
+};