restructure zmq socker interface

zmq socket can now return vector of frames. it knows end of transmission with header.data == 0
it can also send vector of frames

file_io/src/NumpyHelpers.cpp

@@ -23,6 +23,7 @@
 */
 
 #include "aare/NumpyHelpers.hpp"
+#include <iterator>
 
 namespace aare {
 

file_io/src/SubFile.cpp

@@ -1,5 +1,7 @@
 #include "aare/SubFile.hpp"
 #include "aare/utils/logger.hpp"
+#include <cstring> // memcpy
+#include <fmt/core.h>
 #include <iostream>
 // #include <filesystem>
 
@@ -79,7 +81,7 @@ template <typename DataType> size_t SubFile::read_impl_flip(std::byte *buffer) {
     auto src = &tmp[0];
 
     for (int i = 0; i != this->m_rows; ++i) {
-        memcpy(dst, src, row_size);
+        std::memcpy(dst, src, row_size);
         dst -= row_size;
         src += row_size;
     }