Get settings

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The get settings API allows to retrieve settings of index/indices

var r = this.ConnectedClient.GetIndexSettings(index);
Assert.True(r.Success);
Assert.NotNull(r.Settings);
Assert.AreEqual(r.Settings.NumberOfReplicas, 4);
Assert.AreEqual(r.Settings.NumberOfShards, 8);
Assert.Greater(r.Settings.Count(), 0);
Assert.True(r.Settings.ContainsKey("merge.policy.merge_factor"));