ExportLib now contains static_files.

aidge_export_cpp/export_registry.py

 from aidge_core.export_utils import ExportLib
+from aidge_export_cpp.utils import ROOT
 
 class ExportLibCpp(ExportLib):
-    _name="export_cpp"
+    name="export_cpp"
+    static_files={
+        str(ROOT / "static" / "Makefile"): "",
+        str(ROOT / "static" / "include" / "network" / "rescaling.hpp"): "dnn/include/network",
+        str(ROOT / "static" / "include" / "network" / "typedefs.hpp"): "dnn/include/network",
+        str(ROOT / "static" / "include" / "network" / "utils.hpp"): "dnn/include/network",
+    }