Updated widget readme file

Author: CJ

app/code/Magento/Widget/README.md

@@ -1 +1,41 @@
-The Widget module allows Magento application to be extended with custom widget blocks.
+# Magento_Widget module
+
+The **Magento_Widget** module allows Magento application to be extended with custom widget blocks.
+
+## Installation details
+
+Before installing this module, note that the **Magento_Widget** is dependent on the following modules:
+
+- Magento_Catalog
+- Magento_Cms
+- Magento_Store
+
+Before disabling or uninstalling this module, please consider the following dependencies:
+
+- Magento_CatalogWidget
+- Magento_CurrencySymbol
+- Magento_Newsletter
+
+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).
+
+## Extensibility
+
+Extension developers can interact with the **Magento_Widget** 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_Widget** module.
+
+### Layouts
+
+This module introduces the following layouts and layout handles in the directories:
+
+- `view/adminhtml/layout`:
+    - `adminhtml_widget_index`
+    - `adminhtml_widget_instance_block`
+    - `adminhtml_widget_instance_edit`
+    - `adminhtml_widget_instance_index`
+    - `adminhtml_widget_loadoptions`
+- `view/frantend/layout`:
+    - `default`
+    - `print`
+    
+For more information about a layout in Magento 2, see the [Layout documentation](http://devdocs.magento.com/guides/v2.4/frontend-dev-guide/layouts/layout-overview.html).