OpenAPI - service manager implemented (#2594)
OpenAPI - service manager implemented (#2594)

* OpenAPI - service manager implemented
* service manager methods completed
* added new schemas, responses, parameters

balcirakpeter/perun,martin-kuba/perun,mvocu/perun,balcirakpeter/perun,zwejra/perun,martin-kuba/perun,zlamalp/perun,mvocu/perun,CESNET/perun,CESNET/perun,mvocu/perun,balcirakpeter/perun,CESNET/perun,martin-kuba/perun,mvocu/perun,CESNET/perun,zlamalp/perun,martin-kuba/perun,balcirakpeter/perun,mvocu/perun,zoraseb/perun,zwejra/perun,zlamalp/perun,martin-kuba/perun,zlamalp/perun,zwejra/perun,zoraseb/perun,zoraseb/perun,balcirakpeter/perun,balcirakpeter/perun,balcirakpeter/perun,zlamalp/perun,zwejra/perun,zwejra/perun,zwejra/perun,martin-kuba/perun,CESNET/perun,CESNET/perun,zoraseb/perun,zlamalp/perun,zlamalp/perun,mvocu/perun,zoraseb/perun,zoraseb/perun,CESNET/perun,mvocu/perun,martin-kuba/perun