Feature: add accounts end point, add get domains

src/Endpoints/Accounts.php

@@ -0,0 +1,61 @@
+<?php
+/**
+ * User: kanasite
+ * Date: 01/28/2019
+ * Time: 10:00
+ */
+
+namespace Cloudflare\API\Endpoints;
+
+use Cloudflare\API\Adapter\Adapter;
+use Cloudflare\API\Traits\BodyAccessorTrait;
+
+class Accounts implements API
+{
+    use BodyAccessorTrait;
+
+    private $adapter;
+
+    public function __construct(Adapter $adapter)
+    {
+        $this->adapter = $adapter;
+    }
+
+    public function listAccounts(
+        int $page = 1,
+        int $perPage = 20,
+        string $direction = ''
+    ): \stdClass {
+        $query = [
+            'page' => $page,
+            'per_page' => $perPage
+        ];
+
+        if (!empty($direction)) {
+            $query['direction'] = $direction;
+        }
+
+        $user = $this->adapter->get('accounts', $query);
+        $this->body = json_decode($user->getBody());
+
+        return (object)['result' => $this->body->result, 'result_info' => $this->body->result_info];
+    }
+
+    public function getDomains(string $accountID): \stdClass
+    {
+        $response = $this->adapter->get('accounts/' . $accountID . '/registrar/domains');
+
+        $this->body = $response->getBody();
+
+        return json_decode($this->body)->result;
+    }
+
+    public function getDomainDetails(string $accountID, string $domainName): \stdClass
+    {
+        $response = $this->adapter->get('accounts/' . $accountID . '/registrar/domains' . $domainName);
+
+        $this->body = $response->getBody();
+
+        return json_decode($this->body)->result;
+    }
+}