Node level settings related to shadow replicasedit

These are non-dynamic settings that need to be configured in elasticsearch.yml

Boolean setting indicating whether Elasticsearch should append the node’s ordinal to the custom data path. For example, if this is enabled and a path of "/tmp/foo" is used, the first locally-running node will use "/tmp/foo/0", the second will use "/tmp/foo/1", the third "/tmp/foo/2", etc. Defaults to true.
Boolean value that must be set to true in order to use the index.data_path setting. Defaults to false.