message: Added automatic tuning swagger to its readme.md
diff: @@ -59,6 +59,7 @@ input-file:
  - Microsoft.Sql/stable/2014-04-01/sql.core.json
  - Microsoft.Sql/stable/2014-04-01/usages.json
  - Microsoft.Sql/preview/2015-05-01-preview/blobAuditingPolicies.json
  +- Microsoft.Sql/preview/2015-05-01-preview/databaseAutomaticTuning.json
  - Microsoft.Sql/preview/2015-05-01-preview/encryptionProtectors.json
  - Microsoft.Sql/preview/2015-05-01-preview/failoverGroups.json
  - Microsoft.Sql/preview/2015-05-01-preview/operations.json
  @@ -71,6 +72,7 @@ input-file:
  - Microsoft.Sql/preview/2015-05-01-preview/virtualNetworkRules.json
  - Microsoft.Sql/preview/2017-03-01-preview/cancelOperations.json
  - Microsoft.Sql/preview/2017-03-01-preview/renameDatabase.json
  +- Microsoft.Sql/preview/2017-03-01-preview/serverAutomaticTuning.json
  - Microsoft.Sql/preview/2017-03-01-preview/serverDnsAliases.json
  # Needed when there is more than one input file
  