add galaxy event for cloud advert

Author: Blargian

src/lib/galaxy/galaxy.js

@@ -86,6 +86,7 @@ export const galaxyOnPage = (prefix, depsArray = []) => {
   galaxyOnFocus(`${prefix}.window.focus`, depsArray);
 };
 
+// Pass String with convention 'namespace.component.eventName'
 export const galaxyOnClick = (event) => {
   return () => {
     window.galaxy.track(event, { interaction: "click" });

src/theme/DocItem/TOC/Desktop/index.js

@@ -6,6 +6,7 @@ import clsx from "clsx";
 import IconClose from '@theme/Icon/Close';
 import styles from './styles.module.scss'
 import Feedback from '../../../../components/Feedback';
+import {galaxyOnClick} from "../../../../lib/galaxy/galaxy";
 
 const AD_DATA_ENDPOINT = 'https://cms.clickhouse-dev.com:1337/api/docs-ad'
 
@@ -96,6 +97,7 @@ export default function DocItemTOCDesktop() {
                 className={styles.docCloudClose}
                 onClick={() => {
                   setClosed(true)
+                  galaxyOnClick('docs.sidebarCloudAdvert.buttonClick')
                   window.sessionStorage.setItem('doc-cloud-card-banner', 'closed');
                 }}>
                 <IconClose color="var(--ifm-color-emphasis-600)" width={10} height={10}/>