first commit

public/system/library/googleshopping/library.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace googleshopping;
+
+abstract class Library {
+    protected $registry;
+
+    public function __construct($registry) {
+        $this->registry = $registry;
+    }
+
+    public function __get($key) {
+        return $this->registry->get($key);
+    }
+
+    public function __set($key, $value) {
+        $this->registry->set($key, $value);
+    }
+}