create webapp stencil with side bar, routes and fake login

cmd/cli/templates/vue/authentication.ts.tmpl

@@ -0,0 +1,21 @@
+import { ref } from 'vue';
+import { defineStore } from 'pinia';
+
+export const useAuthenticationStore = defineStore('authentication', () => {
+  // TODO: this should be replaced with a request to the server to check if the user is authenticated
+  const isAuthenticated = ref(localStorage.getItem('isAuthenticated') === 'true');
+
+  function login() {
+    // TODO: make a request to the server to authenticate the user
+    isAuthenticated.value = true;
+    localStorage.setItem('isAuthenticated', 'true');
+  }
+
+  function logout() {
+    // TODO: make a request to the server to log out the user
+    isAuthenticated.value = false;
+    localStorage.setItem('isAuthenticated', 'false');
+  }
+
+  return { isAuthenticated, login, logout };
+});