Update docs (12415)

Signed-off-by: Nester.zhou <ester.zhou@huawei.com>

en/application-dev/reference/apis/js-apis-inputmethod-subtype.md

-# Input Method Subtype
+# @ohos.inputmethodsubtype
 
-The **inputMethodEngine** module provides APIs for managing the attributes of input method subtypes. Different attribute settings result in different subtypes.
+The **inputMethodSubtype** module provides APIs for managing the attributes of input method subtypes. Different attribute settings result in different subtypes.
 
 > **NOTE**
 >