Add y2019 superstructure, queues, constants.

Change-Id: I82b4bdfe77eff02e0dd7557491eb2e323bcf9de9
diff --git a/y2019/control_loops/superstructure/superstructure_main.cc b/y2019/control_loops/superstructure/superstructure_main.cc
new file mode 100644
index 0000000..f3dd1ad
--- /dev/null
+++ b/y2019/control_loops/superstructure/superstructure_main.cc
@@ -0,0 +1,11 @@
+#include "y2019/control_loops/superstructure/superstructure.h"
+
+#include "aos/init.h"
+
+int main() {
+  ::aos::Init();
+  ::y2019::control_loops::superstructure::Superstructure superstructure;
+  superstructure.Run();
+  ::aos::Cleanup();
+  return 0;
+}