Add streaming example

Author: clue

examples/stream.php

@@ -0,0 +1,25 @@
+<?php
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use React\EventLoop\Factory as LoopFactory;
+use Clue\React\Docker\Factory;
+
+$image = isset($argv[1]) ? $argv[1] : 'clue/redis-benchmark';
+
+$loop = LoopFactory::create();
+
+$factory = new Factory($loop);
+$client = $factory->createClient();
+
+$client->imageCreate($image)->then(
+    function ($response) {
+        echo 'response: '; var_dump($response);
+    },
+    'var_dump',
+    function ($info) {
+        echo 'update: ' . json_encode($info) . PHP_EOL;
+    }
+);
+
+$loop->run();