OZG-3136 xta-adapter in eigenes helmchart

Jenkinsfile

src/main/helm/templates/_helpers.tpl

src/main/helm/templates/deployment.yaml

src/main/helm/templates/ingress.yaml

xta-adapter/src/main/helm/Chart.yaml

xta-adapter/src/main/helm/README.md

xta-adapter/src/main/helm/app-readme.md

xta-adapter/src/main/helm/questions.yml

xta-adapter/src/main/helm/templates/_helpers.tpl

xta-adapter/src/main/helm/templates/image-pull-secret.yaml

xta-adapter/src/main/helm/templates/xta_adapter_cronjob.yaml

.../src/main/helm/templates/xta_bindings_type_configmap.yaml

xta-adapter/src/main/helm/templates/xta_keystore_secret.yaml

xta-adapter/src/main/helm/templates/xta_root_ca_secret.yaml

xta-adapter/src/main/helm/test-values.yaml

xta-adapter/src/main/helm/values.yaml

xta-adapter/src/test/helm/values/unit-values.yaml

xta-adapter/src/test/helm/xta-bindings-type-test.yaml

xta-adapter/src/test/helm/xta-keystore-secret-test.yaml

xta-adapter/src/test/helm/xta-root-ca-secret-test.yaml