Add orientation info and allow user to rotate TGO

- Give user information about the heading of a TGO
- Add a button to change the heading to head to conflic
- Change the orientation of a TGO during Buy
- Run the heading to conflict calculation to change the orientation of the newly bought group. It will then head to the center of the conflict

qt_ui/uiconstants.py

@@ -166,6 +166,8 @@ def load_icons():
         "./resources/ui/conditions/weather/night-totally-cloud.png"
     )
 
+    ICONS["heading"] = QPixmap("./resources/ui/misc/heading.png")
+
 
 EVENT_ICONS: Dict[str, QPixmap] = {}