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/Group.php

@@ -32,7 +32,7 @@ require_once 'boot.php';
 
 class Group extends BaseModule
 {
-	public function post()
+	protected function post(array $request = [], array $post = [])
 	{
 		if (DI::mode()->isAjax()) {
 			$this->ajaxPost();
@@ -140,7 +140,7 @@ class Group extends BaseModule
 		}
 	}
 
-	public function content(): string
+	protected function content(array $request = []): string
 	{
 		$change = false;