New control Hover reactions bar (#1652)

* new control HoverReactionsBar

* commit changes log

* Update HoverReactionsBar.md

* commit changes

---------

Co-authored-by: Joel Rodrigues <[email protected]>

Author: joaojmendes

docs/documentation/docs/assets/hoverReactions3Bar.png

@@ -0,0 +1,67 @@
+# HoverReactionsBar
+
+This control allows you to select an emoji from emoji bar or select from picker.
+
+
+**HoverReactionsBar**
+
+![hoverReactions3Bar](../assets/hoverReactions3Bar.png)
+
+![hoverReactionsBar2](../assets/hoverReactionsBar2.png)
+
+![hoverReactionsBar1](../assets/hoverReactionsBar1.png)
+
+
+## How to use this control in your solutions
+
+- Check that you installed the `@pnp/spfx-controls-react` dependency. Check out the [getting started](../../#getting-started) page for more information about installing the dependency.
+- Import the following modules to your component:
+
+```TypeScript
+import { HoverReactionsBar } from '@pnp/spfx-controls-react/lib/HoverReactionsBar';
+```
+
+- Use the `HoverReactionsBar` control in your code as follows:
+
+```TypeScript
+<HoverReactionsBar
+  isOpen={isOpenHoverReactionBar}
+  onSelect={onSelectEmoji}
+  onDismiss={(): void => {
+    setIsOpenHoverReactionBar(false);
+  }}
+  target={divRefAddReaction.current as HTMLDivElement}
+/>
+```
+
+- With the `onSelect` property you can get the selected emoji:
+
+```typescript
+   const onSelectEmoji = React.useCallback(async (emoji: string, emojiInfo: IEmojiInfo) => {
+    console.log('emoji', emoji);
+    console.log('emojiInfo object',emojiInfo);
+    setIsOpenHoverReactionBar(false);
+  }, []);
+
+```
+onSelect: (emoji: string | undefined, emojiInfo?: IEmojiInfo) => void;
+  isOpen: boolean;
+  onDismiss: () => void;
+  top4Reactions?: string[];
+  target: HTMLDivElement;
+  themeV8?: Theme ;
+
+## Implementation
+
+The HoverReactionsBar control can be configured with the following properties:
+
+| Property | Type | Required | Description |
+| ---- | ---- | ---- | ---- |
+| isOpen | boolean | yes | show hoverReactionsVar |
+| onSelected |onSelect: (emoji: string, emojiInfo?: IEmojiInfo) => void;| yes | selected Emoji |
+| top4Reactions |  string[] | no |  name of emojis to show on the bar  |
+| target | HTMLDivElement | yes | container of controls who fire the HoverReactionsBar |
+| onDismis | onDismiss: () => void; | yes | function to call to dismiss HoverReactionsBar|
+| themeV8 | Theme | No | Set Fluent UI Theme|
+
+![](https://telemetry.sharepointpnp.com/sp-dev-fx-controls-react/wiki/controls/HoverReactionsBar)