v0.9.0-beta.1

payroll http client: added support for api key

api connection: added support for connection string
removed shared http configuration
console app: refactored startup log
console app: refactored http-client support, added support for api key
added commands namespace (see payroll console)
updated third party nugets
udapted to .net 9
updated version to 0.9.0-beta.1