Quality of life. Removing a lot of requirements etc

src/App.php

@@ -15,7 +15,7 @@ use Nette\Schema\Expect;
 /**
  * Mostly working as a register pattern for the logging and configuration.
  */
-class App
+final class App
 {
     /// Logging instance
     protected Logger $logger;
@@ -27,7 +27,7 @@ class App
      *
      * @param string $configFile Relative or full path to YML config.
      *
-     * @SuppressWarnings(PHPMD.StaticAccess)
+     * @SuppressWarnings("PHPMD.StaticAccess")
      */
     public function __construct(string $configFile)
     {