Added files needed for rocblas integration

src/targets/miopen/include/migraph/miopen/rocblas.hpp

+#ifndef MIGRAPH_GUARD_MIGRAPHLIB_ROCBLAS_HPP
+#define MIGRAPH_GUARD_MIGRAPHLIB_ROCBLAS_HPP
+
+#include <migraph/manage_ptr.hpp>
+#include <migraph/operators.hpp>
+#include <rocblas.h>
+
+namespace migraph {
+namespace miopen {
+
+using rocblas_handle_ptr = MIGRAPH_MANAGE_PTR(rocblas_handle, rocblas_destroy_handle);
+
+rocblas_handle_ptr create_rocblas_handle_ptr();
+
+} // namespace miopen
+
+} // namespace migraph
+
+#endif

src/targets/miopen/rocblas.cpp

+#include <migraph/miopen/rocblas.hpp>
+
+namespace migraph {
+namespace miopen {
+
+rocblas_handle_ptr create_rocblas_handle_ptr()
+{
+    rocblas_handle handle;
+    rocblas_create_handle(&handle);
+    return rocblas_handle_ptr{handle};
+}
+
+} // namespace miopen
+
+} // namespace migraph