Updated the drivetrain control loop for this year.
Still need a couple unit tests, but the current test passes.
diff --git a/frc971/control_loops/drivetrain/drivetrain_main.cc b/frc971/control_loops/drivetrain/drivetrain_main.cc
new file mode 100644
index 0000000..a6efbcd
--- /dev/null
+++ b/frc971/control_loops/drivetrain/drivetrain_main.cc
@@ -0,0 +1,11 @@
+#include "frc971/control_loops/drivetrain/drivetrain.h"
+
+#include "aos/aos_core.h"
+
+int main() {
+ ::aos::Init();
+ frc971::control_loops::DrivetrainLoop drivetrain;
+ drivetrain.Run();
+ ::aos::Cleanup();
+ return 0;
+}