README.md in embulk-output-kintone-1.0.0 vs README.md in embulk-output-kintone-1.1.0

@@ -16,18 +16,28 @@
 - **basic_auth_username**: kintone basic auth username Please see kintone basic auth [here](https://jp.cybozu.help/general/en/admin/list_security/list_ip_basic/basic_auth.html) (string, optional)
 - **basic_auth_password**: kintone basic auth password (string, optional)
 - **guest_space_id**: kintone app belongs to guest space, guest space id is required. (integer, optional)
 - **mode**: kintone mode (string, required)
 - **update_key**: Column name to set update key (string, required if mode is update or upsert)
+- **reduce_key**: Key column name to reduce expanded SUBTABLE (string, optional)
+- **sort_columns**: List of columns for sorting input records (array of objects, optional)
+    - **name**: Column name (string, required)
+    - **order**: Sort order (string `asc` or `desc`, required)
+- **max_sort_tmp_files**: Maximum number of temporary files for sorting input records (integer, default is `1024`)
+- **max_sort_memory**: Maximum memory usage for sorting input records (bytes in long, default is the estimated available memory, which is the approximate value of the JVM's current free memory)
 - **prefer_nulls**: Whether to set fields to null instead of default value of type when column is null (boolean, default is `false`)
 - **ignore_nulls**: Whether to completely ignore fields when column is null (boolean, default is `false`)
 - **column_options** advanced: a key-value pairs where key is a column name and value is options for the column.
     - **field_code**: field code (string, required)
     - **type**: field type (string, required). See [this page](https://cybozu.dev/ja/kintone/docs/overview/field-types/#field-type-update) for list of available types. However, following types are not yet supported
-        - `USER_SELECT`, `ORGANIZATION_SELECT`, `GROUP_SELECT`, `FILE`, `SUBTABLE`
+        - `USER_SELECT`, `ORGANIZATION_SELECT`, `GROUP_SELECT`, `FILE`
     - **timezone**: timezone to convert into `date` (string, default is `UTC`)
     - **val_sep**: Used to specify multiple checkbox values (string, default is `,`)
+    - **sort_columns**: List of columns for sorting rows in SUBTABLE. Available only if type is `SUBTABLE` (array of objects, optional)
+        - **name**: Column name (string, required)
+        - **order**: Sort order (string `asc` or `desc`, required)
+- **chunk_size**: Maximum number of records to request at once (integer, default is `100`)
 
 ## Example
 
 ```yaml
 out:
@@ -43,9 +53,55 @@
     name: {field_code: "name", type: "SINGLE_LINE_TEXT"}
     number: {field_code: "num", type: "NUMBER"}
     date: {field_code: "date", type: "DATE"}
     date_time: {field_code: "datetime", type: "DATETIME"}
 ```
+
+### For reduce expanded SUBTABLE
+
+```yaml
+out:
+  ...
+  reduce_key: id
+  column_options:
+    id: {field_code: "id", type: "NUMBER"}
+    ...
+    table: {field_code: "table", type: "SUBTABLE", sort_columns: [{name: number, order: asc}, {name: text, order: desc}]}
+    table.number: {field_code: "number_in_table", type: "NUMBER"}
+    table.text: {field_code: "text_in_table", type: "SINGLE_LINE_TEXT"}
+```
+
+#### KINTONE
+
+| Form                      | Field Code      |
+| ------------------------- | --------------- |
+| Table's own               | table           |
+| NUMBER In Table           | number_in_table |
+| SINGLE_LINE_TEXT In Table | text_in_table   |
+
+#### INPUT CSV
+
+```csv
+id,table.number,table.text
+1,0,test0
+1,1,test1
+2,0,test0
+```
+
+#### RESULT
+
+ID:1
+
+| NUMBER        | SINGLE_LINE_TEXT |
+| ------------- | ---------------- |
+| 0             | test0            |
+| 1             | test1            |
+
+ID:2
+
+| NUMBER        | SINGLE_LINE_TEXT |
+| ------------- | ---------------- |
+| 0             | test0            |
 
 ## Build
 
 ```
 $ ./gradlew gem  # -t to watch change of files and rebuild continuously