refactor chart and list component structure

src/app/chart/device-chart/device-chart.component.ts

@@ -0,0 +1,15 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-device-chart',
+  templateUrl: './device-chart.component.html',
+  styleUrls: ['./device-chart.component.scss']
+})
+export class DeviceChartComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit(): void {
+  }
+
+}