Scene custom props export

[rayvy]

Exporting any scene data for allowing work it with any custom data from another addon or native blender scene props. Example: {{ mod_file.scene_data.xxmi.batch_pattern}} allowing to get data from xxmi tools batch_pattern name, or any another custom scene data property.

[SinsOfSeven]

Looks pretty good.

[leotorrez]

        ini_file: INI_file = INI_file(
            env.get_template(template_name).render(
                version=bl_info["version"],
                mod_file=self.mod_file,
                credit=self.credit,
                game=self.game,
                character_name=self.mod_name,
                scene=bpy.context.scene,
            )
        )

With this simple modification(adding scene line) it seems to achieve the same functionality. Please test on your side to confirm it works on all your use cases