Add router config

- Introduce route.config.php structure
- Adding config loader for routes
- Adapt Module class (separation of duties)
- Add tests

src/BaseModule.php

@@ -4,7 +4,6 @@ namespace Friendica;
 
 use Friendica\Core\L10n;
 use Friendica\Core\Logger;
-use Friendica\Core\System;
 
 /**
  * All modules in Friendica should extend BaseModule, although not all modules