feat: Add comprehensive documentation suite and reorganize project structure

- Created complete documentation in docs/ directory
- Added PROJECT_OVERVIEW.md with feature highlights and getting started guide
- Added ARCHITECTURE.md with system design and technical details
- Added SECURITY.md with comprehensive security implementation guide
- Added DEVELOPMENT.md with development workflows and best practices
- Added DEPLOYMENT.md with production deployment instructions
- Added API.md with complete REST API documentation
- Added CONTRIBUTING.md with contribution guidelines
- Added CHANGELOG.md with version history and migration notes
- Reorganized all documentation files into docs/ directory for better organization
- Updated README.md with proper documentation links and quick navigation
- Enhanced project structure with professional documentation standards

Zend/Http/Client/Adapter/Stream.php

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Http
+ * @subpackage Client_Adapter
+ * @version    $Id: Stream.php 24594 2012-01-05 21:27:01Z matthew $
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+
+/**
+ * An interface description for Zend_Http_Client_Adapter_Stream classes.
+ *
+ * This interface decribes Zend_Http_Client_Adapter which supports streaming.
+ *
+ * @category   Zend
+ * @package    Zend_Http
+ * @subpackage Client_Adapter
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+interface Zend_Http_Client_Adapter_Stream
+{
+    /**
+     * Set output stream
+     *
+     * This function sets output stream where the result will be stored.
+     *
+     * @param resource $stream Stream to write the output to
+     *
+     */
+    public function setOutputStream($stream);
+}