Add section comment on jinja.

aidge_export_cpp/templates/configuration/_def_io.jinja

 {# NOTE: Suppose input is first #}
-
+// INPUT CONF
 {% for inidx in range(nb_in) -%}
 #define {{ in_name[inidx]|upper }}_NB_CHANNELS {{ in_chan[inidx] }}
 #define {{ in_name[inidx]|upper }}_IN_HEIGHT {{ in_height[inidx] }}
 #define {{ in_name[inidx]|upper }}_IN_WIDTH {{ in_width[inidx] }}
 {% endfor %}
+
+// OUTPUT CONF
 {% for outidx in range(nb_out) -%}
 #define {{ out_name[outidx]|upper }}_NB_OUTPUTS {{ out_chan[outidx] }}
 #define {{ out_name[outidx]|upper }}_OUT_HEIGHT {{ out_height[outidx] }}

aidge_export_cpp/templates/configuration/_meminfo.jinja

+// MEMINFO CONF
 {% for outidx in range(nb_out) -%}
 #define {{ out_name[outidx]|upper }}_SIZE {{ mem_info_size[outidx]}}
 #define {{ out_name[outidx]|upper }}_OFFSET {{ mem_info_offset[outidx]}}