Make BaseModule a real entity

- Add all dependencies, necessary to run the content (baseUrl, Arguments)
- Encapsulate all POST/GET/DELETE/PATCH/PUT methods as protected methods inside the BaseModule
- Return Module content ONLY per `BaseModule::run()` (including the Hook logic there as well)

src/Module/Api/Friendica/Notification.php

@@ -31,7 +31,7 @@ use Friendica\Object\Api\Friendica\Notification as ApiNotification;
  */
 class Notification extends BaseApi
 {
-	public function rawContent()
+	protected function rawContent(array $request = [])
 	{
 		self::checkAllowedScope(self::SCOPE_READ);
 		$uid = self::getCurrentUserID();