Add 2023 drivetrain writer to wpilib_interface

Uses ctre phoenixpro to write to the falcons on CAN

Signed-off-by: Ravago Jones <ravagojones@gmail.com>
Change-Id: I43bb89c893b4cae58c309bb29727490a1cccd526
diff --git a/y2023/control_loops/drivetrain/BUILD b/y2023/control_loops/drivetrain/BUILD
index 8a06d00..ac00e2b 100644
--- a/y2023/control_loops/drivetrain/BUILD
+++ b/y2023/control_loops/drivetrain/BUILD
@@ -1,4 +1,5 @@
 load("//aos:config.bzl", "aos_config")
+load("@com_github_google_flatbuffers//:build_defs.bzl", "flatbuffer_cc_library")
 
 genrule(
     name = "genrule_drivetrain",
@@ -111,3 +112,12 @@
         "//frc971/control_loops/drivetrain:trajectory_generator",
     ],
 )
+
+flatbuffer_cc_library(
+    name = "drivetrain_can_position_fbs",
+    srcs = [
+        "drivetrain_can_position.fbs",
+    ],
+    gen_reflections = 1,
+    visibility = ["//visibility:public"],
+)