docs: Added onPlayerUseCheat and NPC related events

docs/defaultEvents/npc/onNpcCreated.md

@@ -0,0 +1,18 @@
+# `event` onNpcCreated
+
+This event is triggered when remote NPC is created.
+
+Original: [onNpcCreated](https://gothicmultiplayerteam.gitlab.io/docs/0.3.0/script-reference/server-events/npc/onNpcCreated/)
+
+## Parameters
+* `dict` **kwargs**:
+    * `int` **npc_id**: the id of the newly created remote npc.
+
+## Usage
+```python
+import g2o
+        
+@g2o.event('onNpcCreated')
+def onNpcCreate(**kwargs):
+    print(f'NPC {kwargs['npc_id']} has been created.')
+```