added more stuff to docs

docs/lua/Item.lua

@@ -23,6 +23,13 @@ function Item:GetComponentString(componentName) end
 -- @realm server 
 function Item:SendSignal(signalOrString, connectionOrConnectionName) end
 
+---
+-- Physics body of the item.
+-- @realm shared
+-- @PhysicsBody body
+-- @usage
+-- Item.ItemList[1].body.position = CreateVector2(0, 0) -- teleports first item created to 0, 0 of the level
+
 --- List of all items.
 -- @treturn table
 -- @realm shared