BETTERZON-42: Refactoring components and creating product detail component

Frontend/src/app/components/landingpage/landingpage.component.ts

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