OZG-1598 create parent module and move intelliform code

Dockerfile

intelliform-adapter/README.md

intelliform-adapter/pom.xml

...a/de/itvsh/ozg/adapter/AdapterConfigurationException.java

...apter/src/main/java/de/itvsh/ozg/adapter/Application.java

...main/java/de/itvsh/ozg/adapter/GrpcClientsProperties.java

...src/main/java/de/itvsh/ozg/adapter/GrpcEingangMapper.java

...rc/main/java/de/itvsh/ozg/adapter/GrpcFormDataMapper.java

...c/main/java/de/itvsh/ozg/adapter/PlutoListProperties.java

...c/main/java/de/itvsh/ozg/adapter/PlutoServerResolver.java

...tvsh/ozg/adapter/UnkownOrganisationseinheitException.java

.../main/java/de/itvsh/ozg/adapter/VorgangRemoteService.java

...er/src/main/java/de/itvsh/ozg/adapter/VorgangService.java

...in/java/de/itvsh/ozg/adapter/WebServiceConfiguration.java

...ozg/adapter/common/errorhandling/FunctionalException.java

.../ozg/adapter/common/errorhandling/TechnicalException.java

...ain/java/de/itvsh/ozg/adapter/formdata/Antragsteller.java

...src/main/java/de/itvsh/ozg/adapter/formdata/FormData.java

...c/main/java/de/itvsh/ozg/adapter/formdata/FormHeader.java

...main/java/de/itvsh/ozg/adapter/formdata/IncomingFile.java