Remove wpiutil and update to the new build system (#210)

src/dev/native/cpp/main.cpp

@@ -0,0 +1,9 @@
+#include "ntcore.h"
+#include "nt_Value.h"
+#include <iostream>
+
+int main() {
+    nt::SetEntryValue("MyValue", nt::Value::MakeString("Hello World"));
+
+    std::cout << nt::GetEntryValue("MyValue")->GetString() << std::endl;
+}