Docs: NetworkItem.player (#3811)

* Docs: `NetworkItem.player`

In many contexts, it's difficult to tell whether this is the sending player or the receiving player.

* correct player info

* Update NetUtils.py

Co-authored-by: Aaron Wagener <mmmcheese158@gmail.com>

---------

Co-authored-by: Aaron Wagener <mmmcheese158@gmail.com>

NetUtils.py

@@ -79,6 +79,7 @@ class NetworkItem(typing.NamedTuple):
     item: int
     location: int
     player: int
+    """ Sending player, except in LocationInfo (from LocationScouts), where it is the receiving player. """
     flags: int = 0