Merge branch 'feature/570-anbindung-routing-api' into 'main'

.../main/java/dev/fitko/fitconnect/client/RoutingClient.java

...c/main/java/dev/fitko/fitconnect/client/SenderClient.java

...in/java/dev/fitko/fitconnect/client/SubscriberClient.java

...ko/fitconnect/client/factory/ApplicationConfigLoader.java

...va/dev/fitko/fitconnect/client/factory/ClientFactory.java

...dev/fitko/fitconnect/client/router/DestinationSearch.java

...nt/sender/strategies/SendEncryptedSubmissionStrategy.java

...t/client/sender/strategies/SendNewSubmissionStrategy.java

...java/dev/fitko/fitconnect/client/util/SubmissionUtil.java

...java/dev/fitko/fitconnect/client/util/ValidDataGuard.java

...va/dev/fitko/fitconnect/client/ClientIntegrationTest.java

...t/java/dev/fitko/fitconnect/client/RoutingClientTest.java

...st/java/dev/fitko/fitconnect/client/SenderClientTest.java

...ev/fitko/fitconnect/client/factory/ClientFactoryTest.java

.../java/dev/fitko/fitconnect/client/testutil/LogCaptor.java

.../dev/fitko/fitconnect/client/util/SubmissionUtilTest.java

.../dev/fitko/fitconnect/client/util/ValidDataGuardTest.java

...main/java/dev/fitko/fitconnect/core/SubmissionSender.java

.../java/dev/fitko/fitconnect/core/SubmissionSubscriber.java

...a/dev/fitko/fitconnect/core/auth/DefaultOAuthService.java