docs: Updated docs for 2.0.0 version

docs/defaultEvents/general/onInit.md

@@ -0,0 +1,16 @@
+# `event` onInit
+This event is triggered when server successfully starts up.
+
+Original: [onExit](https://gothicmultiplayerteam.gitlab.io/docs/0.3.0/script-reference/server-events/general/onInit/)
+
+## Parameters
+No parameters.
+
+## Usage
+```python
+import pyg2o as g2o
+        
+@g2o.event('onInit')
+async def onInitEventHandler():
+    print('Called onInit event')
+```