Updated wishlist readme file

Author: CJ

app/code/Magento/Wishlist/README.md

@@ -1,2 +1,100 @@
-The Magento_Wishlist implements the Wishlist functionality.
-This allows customers to create a list of products that they can add to their shopping cart to be purchased at a later date, or share with friends.
+# Magento_Wishlist module
+
+The **Magento_Wishlist** module implements the Wishlist functionality.
+
+This module allows customers to create a list of products that they can add to their shopping cart to be purchased at a later date, or share with friends.
+
+## Installation details
+
+Before installing this module, note that the **Magento_Wishlist** is dependent on the following modules:
+
+- Magento_Captcha
+- Magento_Catalog
+- Magento_Customer
+
+Before disabling or uninstalling this module, please consider the following dependencies:
+
+- Magento_WishlistAnalytics
+
+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
+
+`Pricing/` - the directory that contain solutions for configurable and downloadable product price.
+
+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_Wishlist 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_Wishlist module.
+
+### Events
+
+The module dispatches the following events:
+
+- `product_option_renderer_init` event in the `\Magento\Wishlist\Block\Customer\Wishlist\Item\Options::_construct()` method. Parameters:
+    - `block` is a Wishlist block customer items (`\Magento\Wishlist\Block\Customer\Wishlist\Item\Options` class).
+- `rss_wishlist_xml_callback` event in the `\Magento\Wishlist\Model\Rss\Wishlist::getRssData()` method. Parameters:
+    - `$args` is a array of product object (`\Magento\Catalog\Model\Product` class).
+- `wishlist_add_item` event in the `\Magento\Wishlist\Model\Wishlist::addItem()` method. Parameters:
+    - `item` is an item object (`\Magento\Wishlist\Model\Item` class).
+- `wishlist_add_product` event in the `\Magento\Wishlist\Controller\Index\Add::execute()` method. Parameters:
+    - `wishlist` is a Wishlist object (`\Magento\Wishlist\Model\Wishlist` class).
+    - `product` is a product object (`\Magento\Catalog\Api\Data\ProductInterface` class).
+    - `item` is an item object (`\Magento\Wishlist\Model\Item` class).
+- `wishlist_item_collection_products_after_load` event in the `\Magento\Wishlist\Model\ResourceModel\Item\Collection::_assignProducts()` method. Parameters:
+    - `product_collection` is a product collection object (`\Magento\Catalog\Model\ResourceModel\Product\Collection` class).
+- `wishlist_items_renewed` event in the `\Magento\Wishlist\Helper\Data::calculate()` method.
+- `wishlist_product_add_after` event in the `\Magento\Wishlist\Model\Wishlist::addNewItem()` method. Parameters:
+    - `items` is an array of item object (`\Magento\Wishlist\Model\Item` class).
+- `wishlist_share` event in the `\Magento\Wishlist\Controller\Index\Send::execute()` method. Parameters:
+    - `wishlist` is a Wishlist object (`\Magento\Wishlist\Model\Wishlist` class).
+- `wishlist_update_item` event in the `\Magento\Wishlist\Controller\Index\UpdateItemOptions::execute()` method. Parameters:
+    - `wishlist` is a Wishlist object (`\Magento\Wishlist\Model\Wishlist` class).
+    - `product` is a product object (`\Magento\Catalog\Api\Data\ProductInterface` class).
+    - `item` is an item object (`\Magento\Wishlist\Model\Item` class).
+
+For information about the event system in Magento 2, see [Events and observers](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/events-and-observers.html#events).
+
+### Layouts
+
+This module introduces the following layouts and layout handles in the directories:
+
+- `view/adminhtml/layout`:
+    - `customer_index_wishlist`
+- `view/base/layout`:
+    - `catalog_product_prices`
+- `view/frantend/layout`:
+    - `catalog_category_view`
+    - `catalog_product_view`
+    - `catalogsearch_advanced_result`
+    - `checkout_cart_index`
+    - `checkout_cart_item_renderers`
+    - `customer_account`
+    - `default`
+    - `wishlist_email_items`
+    - `wishlist_email_rss`
+    - `wishlist_index_configure`
+    - `wishlist_index_configure_type_bundle`
+    - `wishlist_index_configure_type_configurable`
+    - `wishlist_index_configure_type_downloadable`
+    - `wishlist_index_configure_type_grouped`
+    - `wishlist_index_configure_type_simple`
+    - `wishlist_index_index`
+    - `wishlist_index_share`
+    - `wishlist_shared_index.xml`
+    
+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).
+
+### UI components
+
+You can extend a customer form and widgets using the configuration files located in the directories 
+- `view/base/ui_component`:
+    - `customer_form`
+- `view/frontend/ui_component`:
+    - `widget_recently_compared`
+    - `widget_recently_viewed`
+
+For information about a UI component in Magento 2, see [Overview of UI components](http://devdocs.magento.com/guides/v2.4/ui_comp_guide/bk-ui_comps.html).