add JasonTable class

examples/simple.php

@@ -7,7 +7,8 @@ use Itguild\Tables\ListJsonTable;
 $json = file_get_contents('simple.json');
 $table = new ListJsonTable($json);
 
-$table->columns([
+//$table->columns([
+$table->setBeforePrintCell([
     'status' => function ($ceil) {
         return getStatusLabel()[$ceil];
     },