Update: Add frontend

frontend/src/app/common/components/navbar/navbar.component.ts

@@ -0,0 +1,18 @@
+import {Component, Input, OnInit} from '@angular/core';
+
+@Component({
+  selector: 'app-navbar',
+  templateUrl: './navbar.component.html',
+  styleUrls: ['./navbar.component.scss']
+})
+export class NavbarComponent implements OnInit
+{
+    @Input() pour = "login";
+
+    constructor() { }
+
+    ngOnInit(): void {}
+
+    onDeconnexion(): void {}
+
+}