Update Magento_AsynchronousOperations ReadMe

Author: diazwatson

app/code/Magento/AsynchronousOperations/README.md

@@ -1 +1,48 @@
- This component is designed  to provide response for client who launched the bulk operation as soon as possible and postpone handling of operations moving them to background handler.
+# Magento_AsynchronousOperations module
+
+This component is designed  to provide response for client who launched the bulk operation as soon as possible and postpone handling of operations moving them to background handler.
+
+## Installation details
+
+The Magento_AsynchronousOperations module creates the following tables in the database:
+
+- `magento_bulk`
+- `magento_operation`
+- `magento_acknowledged_bulk`
+
+Before disabling or uninstalling this module, note that the following modules depends on this module:
+
+- Magento_WebapiAsync 
+
+For information about module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.3/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+Extension developers can interact with the Magento_AsynchronousOperations module. For more information about the Magento extension mechanism, see [Magento plug-ins](https://devdocs.magento.com/guides/v2.3/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](https://devdocs.magento.com/guides/v2.3/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_AsynchronousOperations module.
+
+### Layouts
+
+This module introduces the following layouts and layout handles in the `view/adminhtml/layout` directory:
+
+- `bulk_bulk_details`
+- `bulk_bulk_details_modal`
+- `bulk_index_index`
+
+For more information about layouts in Magento 2, see the [Layout documentation](https://devdocs.magento.com/guides/v2.3/frontend-dev-guide/layouts/layout-overview.html).
+
+### UI components
+
+You can extend Magento_AsynchronousOperations module using the following configuration files in `view/adminhtml/ui_component/` directory:
+
+- `bulk_details_form`
+- `bulk_details_form_modal`
+- `bulk_listing`
+- `failed_operation_listing`
+- `failed_operation_modal_listing`
+- `notification_area`
+- `retriable_operation_listing`
+- `retriable_operation_modal_listing`
+
+For information about UI components in Magento 2, see [Overview of UI components](https://devdocs.magento.com/guides/v2.3/ui_comp_guide/bk-ui_comps.html).