feat: Added ItemGround class

+ Added onPlayerTakeItem and onPlayerDropItem events

g2o/items.py

@@ -0,0 +1,35 @@
+import sqg2o
+
+class ItemGround(sqg2o.ItemGround):
+    def __init__(self):
+        return super().__init__()
+    
+    def getPosition() -> tuple:
+        return super().getPosition()
+    
+    def getRotation() -> tuple:
+        return super().getRotation()
+    
+    @property
+    def id(self):
+        return super().id
+    
+    @property
+    def instance(self):
+        return super().instance
+    
+    @property
+    def amount(self):
+        return super().amount
+    
+    @property
+    def world(self):
+        return super().world
+    
+    @property
+    def virtualWorld(self):
+        return super().virtualWorld
+    
+    @virtualWorld.setter
+    def virtualWorld(self, value):
+        super().virtualWorld = value