Add Google Analytics

src/GroupPage.js

@@ -119,6 +119,11 @@ export default withRouter(class GroupPage extends Component {
 						this.setState(newState);
 					});
 			});
+		
+		this.props.logEvent("select_content", {
+			content_type: "group",
+			item_id: this.props.match.params.groupId,
+		});
 	}
 
 	componentWillUnmount() {