message: docs: add limitations to doc
diff: @@ -112,6 +112,7 @@ Updates details of 1 record in an App by specifying its record number, or a diff
  ### getRecords
  Retrieves details of multiple records from an App by specifying the App ID and a query string.
  +The number of records that can be retrieved at once is 500.
  #### Parameters
  @@ -211,13 +212,14 @@ An array of objects, including field types and field values within the matching
  ### addRecords
  Adds multiple records to an App.
  +The number of records that can be created at once is 100.
  #### Parameters
  | Name | Type | Required | Description |
  -| ------- | :--------------: | :------: | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
  +| ------- | :--------------: | :------: | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
  | app | Number or String | Yes | The App ID. |
  -| records | Array | Yes | Holds an array of record objects, that contains field codes and their values.<br />Fields that are not included in the objects are added with their default value. Objects containing field codes that do not exist are ignored. For field type specs, check the [Field Types](https://developer.kintone.io/hc/en-us/articles/212494818/) page. |
  +| records | Array | Yes | Holds an array of record objects, that contains field codes and their values.<br />Up to 500 records can be specified.<br />Fields that are not included in the objects are added with their default value. Objects containing field codes that do not exist are ignored. For field type specs, check the [Field Types](https://developer.kintone.io/hc/en-us/articles/212494818/) page. |
  #### Returns
  @@ -239,7 +241,7 @@ Updates details of multiple records in an App, by specifying their record number
  | Name | Type | Required | Description |
  | ------------------------- | :--------------: | :-------------------------: | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
  | app | Number or String | Yes | The App ID. |
  -| records | Array | Yes | Holds an array of objects that include `id`/`updateKey`, `revision` and `record` objects. |
  +| records | Array | Yes | Holds an array of objects that include `id`/`updateKey`, `revision` and `record` objects.<br />Up to 500 records can be specified. |
  | records[].id | Number or String | Conditionally<br />Required | The Record ID of the record to be updated. Required, if `updateKey` will not be specified. |
  | records[].updateKey | Object | Conditionally<br />Required | The unique key of the record to be updated. Required, if `id` will not be specified. To specify this field, the field must have the "Prohibit duplicate values" option turned on. |
  | records[].updateKey.field | String | Conditionally<br />Required | The field code of the unique key. Required, if `updateKey` will be specified. |
  