message: feat(analytics): add more description to jsDocs
diff: @@ -12,11 +12,15 @@ const scrollTracker = process.env.SCROLL_TRACKING === 'true' || false;
  */
  class AnalyticsAPI {
  /**
  - * service to fire a stats/metrics event for an action
  + * This method checks that the analytics script has been loaded
  + * and fires an event to Coremetrics
  *
  * @param {object} eventData Object with standard IBM metric event properties and values to send to Coremetrics
  *
  * @example
  + * import { AnalyticsAPI } from '@carbon/ibmdotcom-services';
  + *
  + * function fireEvent() {
  * const eventData = {
  * type: 'element',
  * primaryCategory: 'MASTHEAD',
  @@ -25,6 +29,8 @@ class AnalyticsAPI {
  * execPathReturnCode: 'none',
  * targetTitle: 'profile'
  * }
  + * AnalyticsAPI.registerEvent(eventData);
  + * }
  *
  *
  */
  @@ -36,9 +42,16 @@ class AnalyticsAPI {
  /**
  *
  - * method scroll tracking
  - * Only fires the event at 400px intervals and at the deepest scroll depth
  + * If scroll tracking is enabled, this method will fire an event for every 400px
  + * user scrolls down the page. Only the deepest depth will fire the event (e.g if
  + * user scrolls back up the page, the event will not be triggered)
  + *
  + * @example
  + * import { AnalyticsAPI } from '@carbon/ibmdotcom-services';
  *
  + * useEffect(() => {
  + * AnalyticsAPI.initScrollTracker();
  + * },[]);
  **/
  static initScrollTracker() {
  if (scrollTracker) {
  