[Feat] Add jinja file for forward build

aidge_export_cpp/templates/configuration/rescaling_config.jinja

+{#- For name header -#}
+#ifndef {{ name|upper }}_LAYER_H
+#define {{ name|upper }}_LAYER_H
+
+{# For layer configuration -#}
+{% include "./_def_io.jinja" %}
+{% include "./_meminfo.jinja" %}
+
+#define {{ name|upper }}_NB_DATA {{ in_chan[0] * in_height[0] * in_width[0] }}
+
+// Activation
+#define {{ name|upper }}_ACTIVATION     {{ activation }}
+{% include "./_rescaling.jinja" %}
+
+#endif /* {{ name|upper }}_LAYER_H */

aidge_export_cpp/templates/kernel_forward/rescaling_forward.jinja

+{% filter indent(width=4, first=False) %}
+{% include "./_mem_offset.jinja" %}
+rescaling_forward<{{name|upper}}_NB_DATA,
+                   {{name|upper}}_ACTIVATION>
+                   ({{in_name[0]}},
+                   {{out_name[0]}},
+                   {{name|upper}}_RESCALING);
+{% include "./_save_outputs.jinja" %}
+{% endfilter %}