refactor: renamed automation dir to ztp

.../generated-sources/grpc/automation/AutomationService.java

...ated-sources/grpc/automation/AutomationServiceClient.java

src/ztp/.dockerignore

src/ztp/.env.example

src/ztp/.gitignore

src/ztp/.gitlab-ci.yml

src/ztp/.java-version

src/ztp/.mvn/wrapper/MavenWrapperDownloader.java

src/ztp/.mvn/wrapper/maven-wrapper.jar

src/ztp/.mvn/wrapper/maven-wrapper.properties

src/ztp/Dockerfile

src/ztp/README.md

src/ztp/mvnw

src/ztp/mvnw.cmd

src/ztp/pom.xml

src/ztp/src/main/docker/Dockerfile.multistage.jvm

src/ztp/src/main/java/eu/teraflow/ztp/ContextSubscriber.java

src/ztp/src/main/java/eu/teraflow/ztp/Serializer.java

...tp/src/main/java/eu/teraflow/ztp/SimpleLivenessCheck.java

...p/src/main/java/eu/teraflow/ztp/SimpleReadinessCheck.java