add exportRender how to use to document (this method added on commit d48dc1bbe8bc860070240d6f1444e7a861c53789 to be used for render column for print or export as we expected)

Author: mrezagolestan

html-builder-column-builder.md

@@ -31,6 +31,7 @@ $column = Column::make('id')
         ->searchable(true)
         ->orderable(true)
         ->render('\'<div class="editor-active" >\' + (full[\'deleted_at\'] == null ? \'<i class="fas fa-check-circle client-is-active"></i>Active\' : \'<i class="fas fa-times-circle"></i>Inactive\') + \'</div>\';\'\'' )
+        ->render(function($row,$data){return $data == 1 ? 'Active' : 'Inactive'})
         ->footer('Id')
         ->exportable(true)
         ->printable(true);

html-builder-column.md

@@ -47,6 +47,10 @@ Orderable attribute will toggle the `ordering` ability for the defined column. D
 ### Render (Optional)
 Render attribute is a `js` script string that you can use to modify the way the column is being rendered via `javascript`.
 
+### Export Render (Optional)
+Export Render attribute is a `php callback function` that you can use to modify the way the column is being rendered via `print` or `export (CSV/Excel/PDF)`.
+
+
 ### Footer (Optional)
 Footer attribute will be as your `tables` column's `footer` content `<tfoot></tfoot>`.