Add pivot joint codegen

Signed-off-by: Nathan Leong <100028864@mvla.net>
Change-Id: I8b035349e44430218623c4d0dc883c2b06a605c2
diff --git a/y2023_bot3/constants/constants.fbs b/y2023_bot3/constants/constants.fbs
index 08f03be..f66e00f 100644
--- a/y2023_bot3/constants/constants.fbs
+++ b/y2023_bot3/constants/constants.fbs
@@ -1,6 +1,8 @@
 namespace y2023_bot3;
 
 table RobotConstants {
+    // Constants sender needs a value to send something
+    dummy_value:int (id: 0);
 }
 
 table Constants {