feat: move policy component from policy_dev

src/policy/.gitlab-ci.yml

src/policy/mvnw

src/policy/pom.xml

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

...olicy/src/main/java/eu/teraflow/policy/PolicyGateway.java

...y/src/main/java/eu/teraflow/policy/PolicyGatewayImpl.java

...a/eu/teraflow/policy/PolicyRuleConditionFieldsGetter.java

...java/eu/teraflow/policy/PolicyRuleConditionValidator.java

...olicy/src/main/java/eu/teraflow/policy/PolicyService.java

...y/src/main/java/eu/teraflow/policy/PolicyServiceImpl.java

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

...src/main/java/eu/teraflow/policy/SimpleLivenessCheck.java

...rc/main/java/eu/teraflow/policy/SimpleReadinessCheck.java

...olicy/src/main/java/eu/teraflow/policy/acl/AclAction.java

...policy/src/main/java/eu/teraflow/policy/acl/AclEntry.java

...ain/java/eu/teraflow/policy/acl/AclForwardActionEnum.java

...rc/main/java/eu/teraflow/policy/acl/AclLogActionEnum.java

...policy/src/main/java/eu/teraflow/policy/acl/AclMatch.java

...licy/src/main/java/eu/teraflow/policy/acl/AclRuleSet.java

...src/main/java/eu/teraflow/policy/acl/AclRuleTypeEnum.java