Merge branch 'feature/15-mvp-java-sdk-part-1' into 'main'

.gitlab-ci.yml

CHANGELOG.md

README.md

api/README.md

api/pom.xml

...ava/de/fitko/fitconnect/api/config/ApplicationConfig.java

...main/java/de/fitko/fitconnect/api/config/Environment.java

...ain/java/de/fitko/fitconnect/api/config/Environments.java

...in/java/de/fitko/fitconnect/api/config/ResourcePaths.java

api/src/main/java/de/fitko/fitconnect/api/config/Sender.java

.../main/java/de/fitko/fitconnect/api/config/Subscriber.java

.../java/de/fitko/fitconnect/api/config/UsedEnvironment.java

.../java/de/fitko/fitconnect/api/domain/auth/OAuthToken.java

...nect/api/domain/model/destination/ContactInformation.java

.../fitconnect/api/domain/model/destination/Destination.java

...nect/api/domain/model/destination/DestinationService.java

...nnect/api/domain/model/destination/PublicDestination.java

...fitconnect/api/domain/model/destination/ReplyChannel.java

...nnect/api/domain/model/destination/ReplyChannelEMail.java

...o/fitconnect/api/domain/model/destination/StatusEnum.java