Update folder structure

src/app/components/button/button.component.ts

@@ -0,0 +1,27 @@
+import {Component, OnInit} from '@angular/core';
+import {MenuItem} from 'primeng/api';
+
+@Component({
+    templateUrl: './button.component.html'
+})
+export class ButtonComponent implements OnInit {
+
+    items: MenuItem[];
+
+    loading = [false, false, false, false]
+
+    ngOnInit() {
+        this.items = [
+            {label: 'Update', icon: 'pi pi-refresh'},
+            {label: 'Delete', icon: 'pi pi-times'},
+            {label: 'Angular.io', icon: 'pi pi-info', url: 'http://angular.io'},
+            {separator: true},
+            {label: 'Setup', icon: 'pi pi-cog'}
+        ];
+    }
+
+    load(index) {
+        this.loading[index] = true;
+        setTimeout(() => this.loading[index] = false, 1000);
+    }
+}