added a welcome widget

src-ui/src/app/components/dashboard/widgets/welcome-widget/welcome-widget.component.ts

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