Add websocket event stream for sim updates.

As a proof of concept this only covers the flight positions.

qt_ui/windows/QLiberationWindow.py

@@ -20,6 +20,7 @@ from PySide2.QtWidgets import (
 import qt_ui.uiconstants as CONST
 from game import Game, VERSION, persistency
 from game.debriefing import Debriefing
+from game.server import EventStream
 from qt_ui import liberation_install
 from qt_ui.dialogs import Dialog
 from qt_ui.models import GameModel
@@ -50,6 +51,7 @@ class QLiberationWindow(QMainWindow):
 
         self.game = game
         self.sim_controller = SimController(self.game)
+        self.sim_controller.sim_update.connect(EventStream.put_nowait)
         self.game_model = GameModel(game, self.sim_controller)
         Dialog.set_game(self.game_model)
         self.ato_panel = QAirTaskingOrderPanel(self.game_model)