Make page grid

• grid1.setOption('pageRowCount', 25);
• grid1.setGridMode(grid1.code_page);

grid1 = new TbsGrid('grid1');

const options = {};
grid1.setGrid(columns, options);
grid1.setOption('pageRowCount', 20);
grid1.setOption('pageRowCountList', [10, 20, 30]);
grid1.setGridMode('page');
grid1.setData(grid_data);