C++ API working, allgather_test_cpp passing

src/include/basic_proxy_handler.hpp

@@ -0,0 +1,13 @@
+#ifndef MSCCLPP_BASIC_PROXY_SERVICE_HPP_
+#define MSCCLPP_BASIC_PROXY_SERVICE_HPP_
+
+#include "mscclpp.hpp"
+#include "communicator.hpp"
+
+namespace mscclpp {
+
+ProxyHandler makeBasicProxyHandler(Communicator::Impl &comm);
+
+}
+
+#endif