added company company type into admin module

Modules/Admin/app/Repositories/CompanyInterface.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Modules\Admin\Repositories;
+
+interface CompanyInterface
+{
+    public function findAll();
+    public function getCompanyById($companyId);
+    public function delete($companyId);
+    public function create(array $companyDetails);
+    public function update($companyId, array $newDetails);
+}