docs: Updated docs for 2.0.0 version

docs/defaultEvents/player/onPlayerEnterWorld.md

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+# `event` onPlayerEnterWorld
+This event is triggered when player entered the world (**ZEN**) and was successfully spawned in it.
+
+Original: [onPlayerEnterWorld](https://gothicmultiplayerteam.gitlab.io/docs/0.3.0/script-reference/server-events/player/onPlayerEnterWorld/)
+
+## Parameters
+* `dict` **kwargs**:
+    * `int` **playerid**: the id of the player who entered the world.
+    * `str` **world**: an filename name of the world.
+    
+## Usage
+```python
+import pyg2o as g2o
+        
+@g2o.event('onPlayerEnterWorld')
+async def onEnterWorld(playerid, world):
+    print(f'Player {playerid} entered world {world}')
+```