Add code for status led

Changes color based on the status of the robot.

Change-Id: Id8817f360fc1063f19117a020ed9a8210eb04f3c
Signed-off-by: Henry Speiser <henry@speiser.net>
diff --git a/y2022/control_loops/superstructure/superstructure_status.fbs b/y2022/control_loops/superstructure/superstructure_status.fbs
index a1817a7..06fddd0 100644
--- a/y2022/control_loops/superstructure/superstructure_status.fbs
+++ b/y2022/control_loops/superstructure/superstructure_status.fbs
@@ -55,6 +55,8 @@
   flippers_open:bool (id: 12);
   // Whether the flippers failed to open and we are retrying
   reseating_in_catapult:bool (id: 13);
+  // Whether the turret is ready for firing
+  ready_to_fire:bool (id: 20);
   // Whether the catapult was told to fire,
   // meaning that the turret and flippers are ready for firing
   // and we were asked to fire. Different from fire flag in goal.