Add drivetrain_main for 2019 robot

Needs masses and controller still tuned.

Change-Id: I29d62286b2941238abb9770a21e764148fbb688b
diff --git a/y2019/control_loops/drivetrain/drivetrain_base.h b/y2019/control_loops/drivetrain/drivetrain_base.h
new file mode 100644
index 0000000..5cee1b5
--- /dev/null
+++ b/y2019/control_loops/drivetrain/drivetrain_base.h
@@ -0,0 +1,17 @@
+#ifndef Y2019_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_
+#define Y2019_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_
+
+#include "frc971/control_loops/drivetrain/drivetrain_config.h"
+
+namespace y2019 {
+namespace control_loops {
+namespace drivetrain {
+
+const ::frc971::control_loops::drivetrain::DrivetrainConfig<double>
+    &GetDrivetrainConfig();
+
+}  // namespace drivetrain
+}  // namespace control_loops
+}  // namespace y2019
+
+#endif  // Y2019_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_