* added yaml format of statelang related test data

* feature: implement multi type config parser

* adjust statemachine_json_parser to suit config parser

* bugfix: fix the problem of failure to parse "ServiceName"

* adjust statemachine_parser to be compatible with yaml

* add apache License, add some comments, and make some logical adjustments

* update state_machine_new_designer.yaml

* optimize and improve the unit test of config parser

* refactor config parser

* add apache License

* update

* feat: add grpc invoker in saga mode

* fix: fix some chores