Add @see docs so PhpStorm can see dynamic constructor usages

PhpStorm can't see constructor usages when the class name is dynamic. This causes maintenance problems because cross-referencing constructors called like this doesn't show up dynamic calls.

src/pocketmine/Server.php

@@ -1026,6 +1026,7 @@ class Server{
 		}
 
 		try{
+			/** @see LevelProvider::__construct() */
 			$level = new Level($this, $name, new $providerClass($path));
 		}catch(\Throwable $e){
 
@@ -1080,6 +1081,7 @@ class Server{
 			/** @var LevelProvider $providerClass */
 			$providerClass::generate($path, $name, $seed, $generator, $options);
 
+			/** @see LevelProvider::__construct() */
 			$level = new Level($this, $name, new $providerClass($path));
 			$this->levels[$level->getId()] = $level;