Update Readme

Author: jakubboucek

README.md

@@ -20,7 +20,7 @@ Package is optimized for invoking in very early lifecycle phase of your App
 ## Requirements
 Package requires:
 
-- PHP version 7.4, 8.0 or 8.1
+- PHP version 7.4, 8.0, 8.1 or 8.2
 
 Enabler requires:
 
@@ -169,7 +169,7 @@ $detector->isDebugMode(); // <---- this invoke all Plugins
 `SignUrl` plugin provide secure way to share link with activated Debug Mode. 
 
 ```php
-$plugin = new \Redbitcz\DebugMode\Plugin\SignedUrl('secretkey', 'HS256', 'https://myapp.cz');
+$plugin = \Redbitcz\DebugMode\Plugin\SignedUrl::create('secretkey', 'HS256', 'https://myapp.cz');
 $detector->appendPlugin($plugin);
 
 $signedUrl = $plugin->signUrl('https://myapp.cz/failingPage', '+1 hour');