Add stock data api call

frontend/src/app/Views/dashboard/dashboard.component.ts

@@ -1,4 +1,6 @@
 import { Component, OnInit } from '@angular/core';
+import { throwToolbarMixedModesError } from '@angular/material/toolbar';
+import { DataService } from 'src/app/Services/data.service';
 
 export interface PeriodicElement {
   name: string;
@@ -46,9 +48,11 @@ const ELEMENT_DATA: PeriodicElement[] = [
   styleUrls: ['./dashboard.component.scss'],
 })
 export class DashboardComponent implements OnInit {
-  constructor() {}
+  constructor(private dataService: DataService) {}
 
-  ngOnInit(): void {}
+  async ngOnInit() {
+    const data = await this.dataService.getStockData();
+  }
 
   displayedColumns: string[] = ['position', 'name', 'weight', 'symbol'];
   dataSource = ELEMENT_DATA;