update

src/app/pages/notfound/notfound.component.ts

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