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/GNUSocial/GNUSocial/Config.php

@@ -31,7 +31,7 @@ use Friendica\Module\Register;
  */
 class Config extends BaseApi
 {
-	public function rawContent()
+	protected function rawContent(array $request = [])
 	{
 		$config = [
 			'site' => [

src/Module/Api/GNUSocial/GNUSocial/Version.php

@@ -29,7 +29,7 @@ use Friendica\DI;
  */
 class Version extends BaseApi
 {
-	public function rawContent()
+	protected function rawContent(array $request = [])
 	{
 		DI::apiResponse()->exit('version', ['version' => '0.9.7'], $this->parameters['extension'] ?? null);
 	}

src/Module/Api/GNUSocial/Help/Test.php

@@ -29,7 +29,7 @@ use Friendica\DI;
  */
 class Test extends BaseApi
 {
-	public function rawContent()
+	protected function rawContent(array $request = [])
 	{
 		if (!empty($this->parameters['extension']) && ($this->parameters['extension'] == 'xml')) {
 			$ok = 'true';