Updated webapi async module readme file

Author: CJ

app/code/Magento/WebapiAsync/README.md

@@ -1,3 +1,28 @@
-# WebapiAsync
+# Magento_WebapiAsync module
 
-**WebapiAsync** Extends Webapi extension and provide functional to process asynchronous requests. It handle asynchronous requests, schedule, publish and consum bulk operations from queue.
+**Magento_WebapiAsync** module extends Webapi extension and provide functional to process asynchronous requests.
+
+**Magento_WebapiAsync** module handles asynchronous requests, schedule, publish and consume bulk operations from a queue.
+
+## Installation details
+
+Before installing this module, note that the **Magento_WebapiAsync** is dependent on the following modules:
+
+- Magento_AsynchronousOperations
+- Magento_Customer
+- Magento_User
+- Magento_Webapi
+
+Please find here [how to enable or disable modules in Magento 2](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Structure
+
+`Code/` - the directory that contains Remote service reader configuration files.
+
+For information about a typical file structure of a module in Magento 2, see [Module file structure](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/build/module-file-structure.html#module-file-structure).
+
+## Extensibility
+
+Extension developers can interact with the Magento_WebapiAsync module. For more information about the Magento extension mechanism, see [Magento plug-ins](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_WebapiAsync module.