feat(front) : meta title sur chaque page

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

frontend/pages/admin/supplier/[[id]].vue

@@ -97,6 +97,8 @@
 </template>
 
 <script setup lang="ts">
+useHead({ title: 'Fournisseur' })
+
 import {computed, reactive, ref, watch} from "vue"
 import {createSupplier, getSupplier, updateSupplier} from "~/services/supplier"
 import type {SupplierData, SupplierFormData, SupplierPayload} from "~/services/dto/supplier-data"