themes add and some fix

kernel/templates/views/index_template

@@ -51,6 +51,16 @@ $table = new \Itguild\Tables\ListJsonTable(json_encode(
     ]
 ));
 
+// Пример фильтра
+$table->columns([
+    'title' => [
+        'filter' => [
+            'class' => \Itguild\Tables\Filter\InputTextFilter::class,
+            'value' => $get['title'] ?? ''
+        ]
+    ],
+]
+
 $table->beforePrint(function () {
     return IconBtnCreateWidget::create(['url' => '/admin/{slug}/create'])->run();
 });