leave module issue fixes

Modules/Leave/app/Repositories/LeaveInterface.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Modules\Leave\Repositories;
+
+interface LeaveInterface
+{
+    public function findAll();
+    public function getLeaveById($leaveId);
+    public function delete($leaveId);
+    public function create(array $LeaveDetails);
+    public function update($leaveId, array $newDetails);
+}