GONRG-5228: Added .dockerignore and .gitattributes

.dockerignore

.gitattributes

devops/gcp/deploy/templates/service-account.yaml

provider/notification-aws/build-aws/Dockerfile

provider/notification-gcp/docker/Dockerfile

provider/notification-gcp/docker/docker-compose.yml

provider/notification-gcp/docs/anthos/README.md

...opengroup/osdu/notification/provider/ibm/Application.java

...ation/provider/ibm/di/ServiceAccountJwtClientFactory.java

...up/osdu/notification/provider/ibm/util/AppProperties.java

...ification/provider/ibm/util/GoogleServiceAccountImpl.java

...ion/provider/ibm/util/IBMServiceAccountValidatorImpl.java

...roup/osdu/notification/provider/ibm/util/JwtValidity.java

...ion/provider/ibm/util/ServiceAccountJwtIBMClientImpl.java

...otification-ibm/src/main/resources/application.properties