created components, routing and applied styles

src/app/contact-sidebar/contact-sidebar.component.ts

@@ -0,0 +1,11 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-contact-sidebar',
+  templateUrl: './contact-sidebar.component.html',
+  styleUrl: './contact-sidebar.component.scss'
+})
+export class ContactSidebarComponent {
+  sideBarExpanded: boolean = false;
+
+}