Update field visualization for 2023

Kept things pretty rudimentary so far, but this keeps the core
functionality that we had in 2022 for understanding the localizer.

Change-Id: I566d6ebc2dead414b11e92d41fde78dd70f34e92
Signed-off-by: James Kuszmaul <jabukuszmaul@gmail.com>
diff --git a/y2023/localizer/localizer.h b/y2023/localizer/localizer.h
index b89d222..8c53467 100644
--- a/y2023/localizer/localizer.h
+++ b/y2023/localizer/localizer.h
@@ -88,6 +88,8 @@
   flatbuffers::Offset<ImuStatus> PopulateImu(
       flatbuffers::FlatBufferBuilder *fbb) const;
   void SendStatus();
+  static flatbuffers::Offset<CumulativeStatistics> StatisticsForCamera(
+      const CameraState &camera, flatbuffers::FlatBufferBuilder *fbb);
 
   aos::EventLoop *const event_loop_;
   const frc971::control_loops::drivetrain::DrivetrainConfig<double> dt_config_;