Convert y2014 to use explicit ids

This makes it harder to accidentally break compatability

Change-Id: Id0e5cdb56a1e442b7d39fd7c9f9424a192462462
diff --git a/y2014/control_loops/shooter/shooter_output.fbs b/y2014/control_loops/shooter/shooter_output.fbs
index e1900c4..eaf0713 100644
--- a/y2014/control_loops/shooter/shooter_output.fbs
+++ b/y2014/control_loops/shooter/shooter_output.fbs
@@ -1,11 +1,11 @@
 namespace y2014.control_loops.shooter;
 
 table Output {
-  voltage:double;
+  voltage:double (id: 0);
   // true: latch engaged, false: latch open
-  latch_piston:bool;
+  latch_piston:bool (id: 1);
   // true: brake engaged false: brake released
-  brake_piston:bool;
+  brake_piston:bool (id: 2);
 }
 
 root_type Output;