[Chore](Exports) Add SAVE_OUTPUTS and AIDGE_CMP flags on top of fwd file

aidge_core/export_utils/templates/forward.jinja

 
 #include <stdint.h>
 
+#define SAVE_OUTPUTS false  // Save the feature maps into files (Not compatible with every export)
+#define AIDGE_CMP    false  // Compare export and aidge feature maps (Not compatible with every export)
+
 #ifdef SAVE_OUTPUTS
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -30,7 +33,6 @@ void {{ func_name }} (
     {{ outputs_dtype[o] }}** {{ outputs_name[o] }}_ptr{% if not loop.last %}, {% endif %}
     {%- endfor -%})
 {
-
     {%- for action in actions %}
     {{ action }}
     {%- endfor %}