feat : ajout de la gestion Congé

frontend/components/employees/ContractTab.vue

@@ -86,6 +86,18 @@
           <p v-if="showContractEndDateError" class="mt-1 text-sm text-red-600">La date de fin est obligatoire.</p>
         </div>
 
+        <div class="rounded-md border border-neutral-200 bg-neutral-50 p-3">
+          <label class="inline-flex items-center gap-2 text-md font-semibold text-neutral-700" for="contract-paid-leave-settled">
+            <input
+              id="contract-paid-leave-settled"
+              v-model="contractForm.paidLeaveSettled"
+              type="checkbox"
+              class="h-4 w-4 rounded border-neutral-300 text-primary-500 focus:ring-primary-500"
+            />
+            Soldé dans le solde de tout compte
+          </label>
+        </div>
+
         <div class="flex justify-end gap-3 pt-2">
           <button
             type="button"
@@ -178,6 +190,7 @@ type ContractForm = {
   contractNature: 'CDI' | 'CDD' | 'INTERIM'
   startDate: string
   endDate: string
+  paidLeaveSettled: boolean
 }
 
 type CreateContractForm = {