Add Transfer Roller Flatbuffers

Change-Id: I9eaeee9539364d58d5001fdd731cdea48659da25
Signed-off-by: Aryan Khanna <aryankhanna0312@gmail.com>
diff --git a/y2024/control_loops/superstructure/superstructure_position.fbs b/y2024/control_loops/superstructure/superstructure_position.fbs
index e4f6474..da867a9 100644
--- a/y2024/control_loops/superstructure/superstructure_position.fbs
+++ b/y2024/control_loops/superstructure/superstructure_position.fbs
@@ -15,6 +15,9 @@
 
     // Values of the encoder and potentiometer at the catapult
     catapult:frc971.PotAndAbsolutePosition (id: 3);
+
+    // True means there is a game piece in the transfer.
+    transfer_beambreak:bool (id: 4);
 }
 
 root_type Position;