Add reserve example

examples/Reserve.php

@@ -0,0 +1,14 @@
+<?php
+
+require_once 'vendor/autoload.php';
+
+use \Bitreserve\BitreserveClient as Client;
+
+// Initialize the client. In this case, we don't need an
+// AUTHORIZATION_TOKEN because the Ticker endpoint is public.
+$client = new Client();
+
+// Get the reserve summary of all the obligations and assets within it.
+$statistics = $client->getReserve()->getStatistics();
+
+print_r($statistics);