add datatables button example

pages/tables/data.html

@@ -12,6 +12,7 @@
   <!-- DataTables -->
   <link rel="stylesheet" href="../../plugins/datatables-bs4/css/dataTables.bootstrap4.min.css">
   <link rel="stylesheet" href="../../plugins/datatables-responsive/css/responsive.bootstrap4.min.css">
+  <link rel="stylesheet" href="../../plugins/datatables-buttons/css/buttons.bootstrap4.min.css">
   <!-- Theme style -->
   <link rel="stylesheet" href="../../dist/css/adminlte.min.css">
 </head>
@@ -1651,11 +1652,19 @@
 <script src="../../plugins/jquery/jquery.min.js"></script>
 <!-- Bootstrap 4 -->
 <script src="../../plugins/bootstrap/js/bootstrap.bundle.min.js"></script>
-<!-- DataTables -->
+<!-- DataTables  & Plugins -->
 <script src="../../plugins/datatables/jquery.dataTables.min.js"></script>
 <script src="../../plugins/datatables-bs4/js/dataTables.bootstrap4.min.js"></script>
 <script src="../../plugins/datatables-responsive/js/dataTables.responsive.min.js"></script>
 <script src="../../plugins/datatables-responsive/js/responsive.bootstrap4.min.js"></script>
+<script src="../../plugins/datatables-buttons/js/dataTables.buttons.min.js"></script>
+<script src="../../plugins/datatables-buttons/js/buttons.bootstrap4.min.js"></script>
+<script src="../../plugins/jszip/jszip.min.js"></script>
+<script src="../../plugins/pdfmake/pdfmake.min.js"></script>
+<script src="../../plugins/pdfmake/vfs_fonts.js"></script>
+<script src="../../plugins/datatables-buttons/js/buttons.html5.min.js"></script>
+<script src="../../plugins/datatables-buttons/js/buttons.print.min.js"></script>
+<script src="../../plugins/datatables-buttons/js/buttons.colVis.min.js"></script>
 <!-- AdminLTE App -->
 <script src="../../dist/js/adminlte.min.js"></script>
 <!-- AdminLTE for demo purposes -->
@@ -1664,9 +1673,9 @@
 <script>
   $(function () {
     $("#example1").DataTable({
-      "responsive": true,
-      "autoWidth": false,
-    });
+      "responsive": true, "lengthChange": false, "autoWidth": false,
+      "buttons": ["copy", "csv", "excel", "pdf", "print", "colvis"]
+    }).buttons().container().appendTo('#example1_wrapper .col-md-6:eq(0)');
     $('#example2').DataTable({
       "paging": true,
       "lengthChange": false,