Ansible example updates

README.md

...ple_ansible_deploy/inventory/group_vars/hestia/hestia.yml

...y/group_vars/hestia/workers/motr-workers/motr-workers.yml

...oup_vars/hestia/workers/phobos-workers/phobos-workers.yml

examples/sample_ansible_deploy/inventory/hosts.yml

infra/ansible/roles/hestia_common/handlers/main.yml

infra/ansible/roles/hestia_common/tasks/main.yml

infra/ansible/roles/hestia_controller_node/tasks/main.yml

...estia_controller_node/templates/hestia-controller.yaml.j2

infra/ansible/roles/hestia_worker_node/tasks/main.yml

.../roles/hestia_worker_node/templates/hestia-worker.yaml.j2

src/base/storage/clients/redis/RedisKeyValueStoreClient.cc