message: docs: add documentation for record.deleteRecords
diff: - [getRecords](#getRecords)
  - [addRecords](#addRecords)
  - [updateRecords](#updateRecords)
  +- [deleteRecords](#deleteRecords)
  - [createCursor](#createCursor)
  - [getRecordsByCursor](#getRecordsByCursor)
  - [deleteCursor](#deleteCursor)
  @@ -175,6 +176,26 @@ Updates details of multiple records in an App, by specifying their record number
  - https://developer.kintone.io/hc/en-us/articles/360000313622
  +### deleteRecords
  +
  +Deletes multiple records in an app.
  +
  +#### Parameters
  +
  +| Name | Type | Required | Description |
  +| --------- | :-----------------------: | :------: | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
  +| app | Number or String | Yes | The App ID. |
  +| ids | Array\<Number or String\> | Yes | Array of record IDs that will be deleted.<br />Up to 100 records can be specified. |
  +| revisions | Array\<Number or String\> | | The Expected revision number.<br />The first id number will correspond to the first revision number in the array, the second id to the second revision number, and so on.<br />If the revision number does not match, an error will occur and no records will be deleted.<br />If the revision number is left blank or is -1, the revision number will not be checked for the corresponding record ID. |
  +
  +#### Returns
  +
  +An empty object.
  +
  +#### Reference
  +
  +- https://developer.kintone.io/hc/en-us/articles/212494558
  +
  ### createCursor
  Adds a cursor so that large amount of records can be obtained from an App.
  