update readme

README.md

@@ -4,23 +4,37 @@ Amphtml for Contao 4
 About
 -----
 
+This extension allows you to deliver additional AMPHTML pages in your Contao installation.
+
+The implementation takes place via a special theme, which can be adapted to your own requirements.
 
 Screenshot
 -----------
 
+![Contao demo example](https://pdir.de/extensions/amphtml/amphtml-screen.png)
+![Root page settings](https://pdir.de/extensions/amphtml/amphtml-settings.png)
 
 System requirements
 -------------------
 
-* [Contao](https://github.com/contao/standard-edition) 4 or higher
+* [Contao Standard](https://github.com/contao/standard-edition) 4 or higher or
+* [Contao Managed](https://github.com/contao/managed-edition) 4 or higher
 
 Installation & Configuration
 ----------------------------
 
+via Contao Manager
+1. Search for "amp" or "amphtml-bundle" mark for install and apply changes
+2. Download cto file from https://github.com/pdir/amphtml-bundle/raw/master/files/amphtml.cto
+3. Install ampthtml Theme via "Themes > Theme Import" in Contao Backend
+4. Update Database
+5. Activate AMPHTML and select layout in Root Page settings
 
 See this Extension in the Contao Extension-Repository
 ---------------
 
+For Contao 3 please use Contao Extension-Repository [ER2]
+https://contao.org/de/erweiterungsliste/view/amphtml.10079.de.html
 
 License
 ---------------

src/ContaoManagerPlugin.php

@@ -1,5 +1,19 @@
 <?php
 
+/**
+ * Amphtml for Contao Open Source CMS
+ *
+ * Copyright (C) 2016 pdir / digital agentur <[email protected]>
+ *
+ * @package    amphtml
+ * @link       https://github.com/pdir/amphtml-bundle
+ * @license    http://opensource.org/licenses/lgpl-3.0.html
+ * @author Philipp Seibt <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Pdir\AmphtmlBundle;
 
 use Contao\CoreBundle\ContaoCoreBundle;

src/Resources/contao/classes/AmphtmlHooks.php

@@ -1,14 +1,5 @@
 <?php
 
-/*
- * Copyright pdir / digital agentur <[email protected]>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Pdir;
-
 /**
  * Amphtml for Contao Open Source CMS
  *
@@ -26,6 +17,8 @@
  *
  */
 
+namespace Pdir;
+
 class AmphtmlHooks extends \Controller
 {
     /*