* Add support for Hawakening, querying master server
* Outsource backend calls into Api class
* Define json response via schema, optional data validation with Ajv (commented out)
* Add support for Hawakening master query through separate protocol
Protocol 'hawakeningmaster' provides full list of processed server info
* docs: update CHANGELOG and GAMES_LIST for Hawakening
* Additional API check + cleanup
* Allowing public/non-authorized master server query for Hawkening severs
* Fix: Reference the master protocol correctly in docs/games_list
* Reorganized code file, moved schema and API-class to the end
