Frappe Charts in Page

@vinhnguyent090

In my production_analytics.js i found code like this,

		this.chart = new Chart({
			parent: ".chart",
			data: chart_data,
			type: 'line'
		});

So i did this in my chart,

	const graph = new Chart({
		parent: "#chart",
		data: chart_data,
		type: 'line'
	});

And its start working, but there is no file with name chart.js in apps/frappe/frappe/public/js/frappe/ui/charts.js, is there any problem?