feat(help-page): implement help page layout with FAQ section and sidebar navigation

src/app/core/guards/menu.guard.ts

@@ -1,13 +1,7 @@
 import { inject } from '@angular/core';
 import { CanActivateFn, Router } from '@angular/router';
+import { findMenu } from '../services/menu.utils';
 import { TenantService } from '../services/tenant.service';
-import { Menu } from '../services/tenant.interface';
-
-function containsMenu(menues: Menu[], menuCode: string): boolean {
-  return menues.some(
-    menu => menu.code === menuCode || containsMenu(menu.submenues ?? [], menuCode)
-  );
-}
 
 export const hasMenuGuard = (menuCode: string): CanActivateFn => {
   return () => {
@@ -20,7 +14,7 @@ export const hasMenuGuard = (menuCode: string): CanActivateFn => {
       return router.createUrlTree(['/']);
     }
 
-    const hasMenu = containsMenu(tenant.menues ?? [], menuCode);
+    const hasMenu = findMenu(tenant.menues ?? [], menuCode) !== undefined;
 
     if (hasMenu) {
       return true;

src/app/core/layout/store-layout/store-layout.component.ts

@@ -120,8 +120,8 @@ export class StoreLayoutComponent implements OnInit {
       heading: 'Ayuda',
       links: [
         { label: 'Contacto' },
-        { label: 'Ayuda' },
-        { label: 'Preguntas frecuentes' },
+        { label: 'Ayuda', routerLink: '/ayuda' },
+        { label: 'Preguntas frecuentes', routerLink: '/ayuda/preguntas-frecuentes' },
       ],
     },
   ];

src/app/core/services/menu.utils.ts

@@ -0,0 +1,17 @@
+import { Menu } from './tenant.interface';
+
+export function findMenu(menues: readonly Menu[], menuCode: string): Menu | undefined {
+  for (const menu of menues) {
+    if (menu.code === menuCode) {
+      return menu;
+    }
+
+    const submenu = findMenu(menu.submenues ?? [], menuCode);
+
+    if (submenu) {
+      return submenu;
+    }
+  }
+
+  return undefined;
+}