chore(toggle): update CHANGELOG and README, #8023

Author: wnvko

CHANGELOG.md

@@ -15,8 +15,11 @@ All notable changes for each version of this project will be documented in this
     - Added `aria-labelledby` property for the items list container(marked as `role="listbox"`). This will ensure the users of assistive technologies will also know what the list items container is used for, upon opening.
 - `IgxDatePicker`	
     - **Breaking Change** - Deprecated the `label` property.
-- `igxGridActions`
+- `IgxGridActions`
     - Added `asMenuItems` Input for grid actions - `igx-grid-editing-actions`, `igx-grid-pinning-actions`. When set to true will render the related action buttons as separate menu items with button and label.
+- `IgxToggleDirective`
+    - `onAppended`, `onOpened` and `onClosed` events are emitting now arguments of `ToggleViewEventArgs` type.
+    - `onOpening` and `onClosing` events are emitting now arguments of `ToggleViewCancelableEventArgs` type.
 
 
 ### New Features

projects/igniteui-angular/src/lib/directives/toggle/README.md

@@ -29,8 +29,8 @@ handlers when the toggle is opened and respectively closed.
 ```html
 <button (click)="toggleRef.toggle()">Toggle</button>
 <div igxToggle #toggleRef="toggle" 
-    (onOpening)="eventHandler()" (onAppended)="eventHandler()" (onOpened)="eventHandler()"
-    (onClosing)="eventHandler()" (onClosed)="eventHandler()" >
+    (onOpening)="eventHandler($event)" (onAppended)="eventHandler($event)" (onOpened)="eventHandler($event)"
+    (onClosing)="eventHandler($event)" (onClosed)="eventHandler($event)" >
     <p>Some content that user would like to make it togglable.</p>
 </div>
 ```
@@ -40,11 +40,11 @@ handlers when the toggle is opened and respectively closed.
 ### Outputs
 | Name | Return Type | Description |
 |:--:|:---|:---|
-| `onAppended`   | `void` | Emits an event after content is appended to the overlay.         |
-| `onOpening`    | `void` | Emits an event before the toggle container is opened.            |
-| `onOpened`     | `void` | Emits an event after the toggle container is opened.             |
-| `onClosing`    | `void` | Emits an event before the toggle container is closed.            |
-| `onClosed`     | `void` | Emits an event after the toggle container is closed.             |
+| `onAppended`   | `ToggleViewEventArgs`           | Emits an event after content is appended to the overlay.         |
+| `onOpening`    | `ToggleViewCancelableEventArgs` | Emits an event before the toggle container is opened.            |
+| `onOpened`     | `ToggleViewEventArgs`           | Emits an event after the toggle container is opened.             |
+| `onClosing`    | `ToggleViewCancelableEventArgs` | Emits an event before the toggle container is closed.            |
+| `onClosed`     | `ToggleViewEventArgs`           | Emits an event after the toggle container is closed.             |
 ### Methods
 | Name   | Arguments | Return Type | Description |
 |:----------:|:------|:------|:------|