Added y2018 drivetrain folder and files.

Change-Id: I6375a2b44f69e943ff2b1278fb6464177abd5dd8
diff --git a/y2018/control_loops/drivetrain/drivetrain_main.cc b/y2018/control_loops/drivetrain/drivetrain_main.cc
new file mode 100644
index 0000000..26d300b
--- /dev/null
+++ b/y2018/control_loops/drivetrain/drivetrain_main.cc
@@ -0,0 +1,15 @@
+#include "aos/linux_code/init.h"
+
+#include "frc971/control_loops/drivetrain/drivetrain.h"
+#include "y2018/control_loops/drivetrain/drivetrain_base.h"
+
+using ::frc971::control_loops::drivetrain::DrivetrainLoop;
+
+int main() {
+  ::aos::Init();
+  DrivetrainLoop drivetrain(
+      ::y2018::control_loops::drivetrain::GetDrivetrainConfig());
+  drivetrain.Run();
+  ::aos::Cleanup();
+  return 0;
+}