Layout admin panel (!13)

| Numéro du ticket | Layout admin panel |
|------------------|-----------------|
|                  |                 |

## Description de la PR

## Modification du .env

## Check list

- [x] Pas de régression
- [ ] TU/TI/TF rédigée
- [x] TU/TI/TF OK
- [ ] CHANGELOG modifié

Reviewed-on: #13
Co-authored-by: Matteo <matteo@yuno.malio.fr>
Co-committed-by: Matteo <matteo@yuno.malio.fr>

frontend/layouts/default.vue

@@ -20,6 +20,14 @@
                             Accueil
                         </a>
                     </NuxtLink>
+                    <NuxtLink to="/admin/dashboard" custom v-slot="{ href, navigate, isActive }">
+                        <a
+                            :href="href"
+                            @click="navigate"
+                        >
+                            Admin
+                        </a>
+                    </NuxtLink>
                 </nav>
                 <NuxtLink to="/" class="flex flex-1 items-center justify-center gap-3">
                   <span
@@ -100,7 +108,6 @@ import { useAuthStore } from '~/stores/auth'
 
 const route = useRoute()
 const auth = useAuthStore()
-const isReceptionActive = computed(() => route.path.startsWith('/reception'))
 const isMenuOpen = ref(false)
 
 const closeMenu = () => {