Update datatype-help.yaml

Signed-off-by: Lisa Dusseault <[email protected]>

datatype-help.yaml

@@ -7,4 +7,6 @@ Forum posts: "Text-centric posts, posted to a multi-user topical forum"
 Videos: "Video content, e.g. a channel, may contain metadata and comments"
 Notes: "Personal notes, organized in folders or with tags, possibly multi-media"
 Tasks: "Your personal todo lists and content embedded in tasks, along with deadlines, project names, and other data"
-Newsletter: "If you host a personal newsletter with email subscribers and need to move it, that can be challenging"
+Newsletter: "If you host a personal newsletter with email subscribers and need to move it, that can be challenging"
+Viewing History: "Watching short or long videos online can provide a record of your views and activity."
+Likes & Favorites: "Many platforms, especially social media, offer a way to access a complete list of things you've liked, favorited, or otherwise interacted with."