- added subscriptionrequest

- Oasis model trait

app/Traits/Oasis.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Traits;
+
+use App\Models\Oasis\SubscriptionRequest;
+
+trait Oasis
+{
+    /**
+     * Get user subscription request
+     *
+     * @return mixed
+     */
+    public function subscriptionRequest()
+    {
+        return $this->hasOne(SubscriptionRequest::class);
+    }
+}