2023-09-08 ECA Sprint: ECA and http services - part 2

[ECA am http services - part 2](https://ecaguide.org/library/simple/eca_and_http_services_-_part_2/) This model is a follow-up version of [ECA and http services](https://tube.tchncs.de/w/eTrzr42LFCmpGv682rqrgz) and uses a self-defined services API for the HTTP Client Manager. This module requires the services API defined in a [Custom Module](https://ecaguide.org/library/simple/eca_and_http_services_-_part_2/eca_tv_demo.zip). Please download, copy to your Drupal site and enable it before importing this model.